Usage Statistics for elnaviero.com

Summary Period: June 2022
Generated 01-Jul-2022 04:07 CEST

[Daily Statistics] [Hourly Statistics] [URLs] [Entry] [Exit] [Sites] [Referrers] [Search] [Agents] [Countries]

Monthly Statistics for June 2022
Total Hits 1380238
Total Files 1166013
Total Pages 1210267
Total Visits 128715
Total KBytes 62245501
Total Unique Sites 39852
Total Unique URLs 8375
Total Unique Referrers 3640
Total Unique User Agents 2058
. Avg Max
Hits per Hour 1916 4594
Hits per Day 46007 54958
Files per Day 38867 47645
Pages per Day 40342 48307
Sites per Day 1328 2935
Visits per Day 4290 5097
KBytes per Day 2074850 2813110
Hits by Response Code
Code 200 - OK 84.48% 1166013
Code 204 - No Content 3.19% 44007
Code 206 - Partial Content 0.03% 443
Code 301 - Moved Permanently 1.81% 25022
Code 302 - Found 0.04% 587
Code 304 - Not Modified 0.37% 5113
Code 403 - Forbidden 2.16% 29847
Code 404 - Not Found 2.74% 37813
Code 408 - Request Timeout 0.00% 56
Code 500 - Internal Server Error 4.71% 65069
Code 503 - Service Unavailable 0.45% 6268

Daily usage for June 2022

Daily Statistics for June 2022
Day Hits Files Pages Visits Sites KBytes
1 43557 3.16% 35853 3.07% 38452 3.18% 4433 3.44% 2269 5.69% 1487129 2.39%
2 46426 3.36% 37985 3.26% 40613 3.36% 4933 3.83% 2422 6.08% 1762240 2.83%
3 47638 3.45% 41176 3.53% 38798 3.21% 4063 3.16% 2326 5.84% 2038409 3.27%
4 46514 3.37% 39324 3.37% 40258 3.33% 4303 3.34% 2218 5.57% 2076804 3.34%
5 53080 3.85% 45632 3.91% 46650 3.85% 4086 3.17% 2338 5.87% 2057244 3.31%
6 54958 3.98% 47645 4.09% 48307 3.99% 4020 3.12% 2406 6.04% 1993281 3.20%
7 50385 3.65% 42979 3.69% 43951 3.63% 3811 2.96% 2152 5.40% 1944856 3.12%
8 46443 3.36% 38914 3.34% 40872 3.38% 4231 3.29% 2416 6.06% 1941829 3.12%
9 46894 3.40% 38932 3.34% 39987 3.30% 4381 3.40% 2275 5.71% 2517213 4.04%
10 48309 3.50% 41433 3.55% 42421 3.51% 3945 3.06% 2304 5.78% 2591180 4.16%
11 47516 3.44% 39771 3.41% 41775 3.45% 3873 3.01% 2175 5.46% 2291771 3.68%
12 49180 3.56% 42250 3.62% 41464 3.43% 3710 2.88% 2199 5.52% 2418860 3.89%
13 48282 3.50% 40462 3.47% 42279 3.49% 4065 3.16% 2283 5.73% 2185471 3.51%
14 46611 3.38% 38661 3.32% 39087 3.23% 4197 3.26% 2433 6.11% 2324904 3.74%
15 44812 3.25% 38298 3.28% 39554 3.27% 4546 3.53% 2424 6.08% 2021246 3.25%
16 43941 3.18% 36795 3.16% 39170 3.24% 4702 3.65% 2372 5.95% 1951771 3.14%
17 44361 3.21% 37575 3.22% 39179 3.24% 4214 3.27% 2316 5.81% 1934041 3.11%
18 44244 3.21% 36732 3.15% 40185 3.32% 4385 3.41% 2400 6.02% 1437800 2.31%
19 47856 3.47% 40674 3.49% 42024 3.47% 4610 3.58% 2488 6.24% 2304659 3.70%
20 49013 3.55% 41469 3.56% 43534 3.60% 5056 3.93% 2821 7.08% 2582131 4.15%
21 49970 3.62% 42651 3.66% 44014 3.64% 5076 3.94% 2768 6.95% 2157352 3.47%
22 43654 3.16% 36496 3.13% 38789 3.20% 4917 3.82% 2688 6.74% 2074601 3.33%
23 46265 3.35% 38277 3.28% 41686 3.44% 5097 3.96% 2750 6.90% 2414068 3.88%
24 40420 2.93% 34622 2.97% 35798 2.96% 4552 3.54% 2753 6.91% 2813110 4.52%
25 43727 3.17% 37858 3.25% 39183 3.24% 4497 3.49% 2604 6.53% 2543141 4.09%
26 42866 3.11% 36011 3.09% 36051 2.98% 4585 3.56% 2935 7.36% 2386055 3.83%
27 44662 3.24% 36942 3.17% 39882 3.30% 4259 3.31% 2321 5.82% 1551294 2.49%
28 43253 3.13% 37429 3.21% 39275 3.25% 3731 2.90% 2038 5.11% 1662586 2.67%
29 39926 2.89% 33941 2.91% 36093 2.98% 3709 2.88% 1760 4.42% 1431353 2.30%
30 35475 2.57% 29226 2.51% 30936 2.56% 3452 2.68% 1758 4.41% 1349102 2.17%

Hourly usage for June 2022

Hourly Statistics for June 2022
Hour Hits Files Pages KBytes
Avg Total Avg Total Avg Total Avg Total
0 1962 58869 4.27% 1597 47936 4.11% 1785 53572 4.43% 73789 2213670 3.56%
1 2003 60092 4.35% 1657 49721 4.26% 1835 55075 4.55% 80698 2420930 3.89%
2 1873 56203 4.07% 1558 46764 4.01% 1766 52988 4.38% 70606 2118174 3.40%
3 1915 57456 4.16% 1612 48376 4.15% 1772 53184 4.39% 83429 2502862 4.02%
4 1881 56438 4.09% 1525 45769 3.93% 1699 50991 4.21% 89442 2683256 4.31%
5 1819 54591 3.96% 1520 45624 3.91% 1628 48846 4.04% 77705 2331165 3.75%
6 1831 54936 3.98% 1534 46043 3.95% 1684 50521 4.17% 75377 2261321 3.63%
7 1753 52595 3.81% 1464 43921 3.77% 1613 48410 4.00% 74709 2241267 3.60%
8 1780 53428 3.87% 1517 45533 3.91% 1586 47585 3.93% 91210 2736312 4.40%
9 1771 53143 3.85% 1507 45218 3.88% 1534 46039 3.80% 81207 2436224 3.91%
10 2041 61235 4.44% 1740 52209 4.48% 1661 49835 4.12% 108687 3260598 5.24%
11 1891 56731 4.11% 1618 48560 4.16% 1616 48495 4.01% 92629 2778872 4.46%
12 1944 58336 4.23% 1678 50345 4.32% 1667 50031 4.13% 87658 2629751 4.22%
13 1911 57349 4.16% 1660 49802 4.27% 1579 47376 3.91% 96690 2900711 4.66%
14 1896 56891 4.12% 1629 48898 4.19% 1659 49799 4.11% 80596 2417880 3.88%
15 1866 55994 4.06% 1593 47816 4.10% 1602 48067 3.97% 91530 2745908 4.41%
16 1959 58795 4.26% 1673 50215 4.31% 1686 50607 4.18% 82317 2469504 3.97%
17 1868 56056 4.06% 1593 47796 4.10% 1599 47977 3.96% 86468 2594039 4.17%
18 1946 58384 4.23% 1610 48327 4.14% 1709 51281 4.24% 83018 2490528 4.00%
19 2044 61328 4.44% 1753 52617 4.51% 1743 52311 4.32% 87146 2614389 4.20%
20 2009 60279 4.37% 1696 50884 4.36% 1665 49962 4.13% 95756 2872682 4.62%
21 1953 58603 4.25% 1676 50293 4.31% 1715 51461 4.25% 85641 2569222 4.13%
22 2010 60300 4.37% 1708 51260 4.40% 1692 50781 4.20% 112251 3367541 5.41%
23 2073 62206 4.51% 1736 52086 4.47% 1835 55073 4.55% 86290 2588695 4.16%

Top 30 of 8375 Total URLs
# Hits KBytes URL
1 739747 53.60% 20196470 32.45% /spip/spip.php
2 133217 9.65% 1371489 2.20% /plesk-stat/webstat/
3 81702 5.92% 5223536 8.39% /spip/
4 21405 1.55% 207842 0.33% /plesk-stat/webstat-ssl/
5 12540 0.91% 1635108 2.63% /plesk-stat/webstat/usage_201409.html
6 10080 0.73% 1190168 1.91% /plesk-stat/webstat/usage_202206.html
7 6480 0.47% 1139316 1.83% /librodefirmas/
8 4953 0.36% 634730 1.02% /plesk-stat/webstat/usage_201708.html
9 2574 0.19% 4331752 6.96% /plesk-stat/webstat/webalizer.current
10 2285 0.17% 10041 0.02% /spip/prive/javascript/jquery.cookie.js
11 2232 0.16% 256764 0.41% /spip/plugins/fullcalendar/js/fullcalendar.js
12 2198 0.16% 61360 0.10% /spip/prive/javascript/jquery.form.js
13 2165 0.16% 531688 0.85% /spip/prive/javascript/jquery.js
14 2161 0.16% 91777 0.15% /spip/modernizr.js
15 2154 0.16% 69375 0.11% /spip/prive/javascript/ajaxCallback.js
16 2141 0.16% 52351 0.08% /spip/plugins-dist/porte_plume/javascript/jquery.markitup_pour_spip.js
17 2137 0.15% 10025 0.02% /spip/style.css
18 2135 0.15% 6103 0.01% /spip/plugins-dist/porte_plume/javascript/jquery.previsu_spip.js
19 2112 0.15% 83147 0.13% /spip/plugins/auto/tablesorter/v1.4.1/javascript/jquery.tablesorter.js
20 2109 0.15% 8364 0.01% /spip/plugins-dist/mediabox/javascript/spip.mediabox.js
21 2107 0.15% 3759 0.01% /spip/prive/javascript/jquery.placeholder-label.js
22 2095 0.15% 57637 0.09% /spip/plugins-dist/mediabox/javascript/jquery.colorbox.js
23 2093 0.15% 4420 0.01% /spip/plugins/fullcalendar/js/gcal.js
24 2055 0.15% 3509 0.01% /spip/prive/javascript/jquery.autosave.js
25 1521 0.11% 91683 0.15% /spip/local/cache-css/edddeab8467287bc4a6a3a0104106d51.css
26 1312 0.10% 110120 0.18% /spip/naviero.ico
27 647 0.05% 38732 0.06% /spip/local/cache-css/b42da0e2f81d35357623c83ca265e995.css
28 389 0.03% 11264 0.02% /spip//spip.php
29 242 0.02% 15540 0.02% /spip/spip.php/trackback/
30 182 0.01% 22822 0.04% /plesk-stat/webstat/usage_201911.html

Top 10 of 8375 Total URLs By KBytes
# Hits KBytes URL
1 739747 53.60% 20196470 32.45% /spip/spip.php
2 81702 5.92% 5223536 8.39% /spip/
3 2574 0.19% 4331752 6.96% /plesk-stat/webstat/webalizer.current
4 12540 0.91% 1635108 2.63% /plesk-stat/webstat/usage_201409.html
5 133217 9.65% 1371489 2.20% /plesk-stat/webstat/
6 10080 0.73% 1190168 1.91% /plesk-stat/webstat/usage_202206.html
7 6480 0.47% 1139316 1.83% /librodefirmas/
8 4953 0.36% 634730 1.02% /plesk-stat/webstat/usage_201708.html
9 2165 0.16% 531688 0.85% /spip/prive/javascript/jquery.js
10 2232 0.16% 256764 0.41% /spip/plugins/fullcalendar/js/fullcalendar.js

Top 10 of 124 Total Entry Pages
# Hits Visits URL
1 739747 53.60% 77372 78.67% /spip/spip.php
2 81702 5.92% 8207 8.35% /spip/
3 10080 0.73% 5237 5.33% /plesk-stat/webstat/usage_202206.html
4 6480 0.47% 3272 3.33% /librodefirmas/
5 12540 0.91% 1330 1.35% /plesk-stat/webstat/usage_201409.html
6 133217 9.65% 793 0.81% /plesk-stat/webstat/
7 105 0.01% 476 0.48% /spip/spip.php/trackback
8 104 0.01% 435 0.44% /spip/spip.php/spip.php
9 389 0.03% 195 0.20% /spip//spip.php
10 182 0.01% 169 0.17% /plesk-stat/webstat/usage_201911.html

Top 10 of 123 Total Exit Pages
# Hits Visits URL
1 739747 53.60% 77781 71.58% /spip/spip.php
2 81702 5.92% 18520 17.04% /spip/
3 10080 0.73% 5294 4.87% /plesk-stat/webstat/usage_202206.html
4 6480 0.47% 3007 2.77% /librodefirmas/
5 12540 0.91% 1329 1.22% /plesk-stat/webstat/usage_201409.html
6 133217 9.65% 630 0.58% /plesk-stat/webstat/
7 105 0.01% 465 0.43% /spip/spip.php/trackback
8 104 0.01% 421 0.39% /spip/spip.php/spip.php
9 242 0.02% 314 0.29% /spip/spip.php/trackback/
10 389 0.03% 180 0.17% /spip//spip.php

Top 30 of 39852 Total Sites
# Hits Files KBytes Visits Hostname
1 358693 25.99% 345034 29.59% 7927175 12.74% 16768 13.03% ns.aiidatapro.com
2 78944 5.72% 78944 6.77% 813781 1.31% 1 0.00% v552824.hosted-by-vdsina.ru
3 74730 5.41% 57477 4.93% 3134900 5.04% 55 0.04% 64.62.252.163
4 57562 4.17% 44730 3.84% 1560686 2.51% 110 0.09% 216.244.66.196
5 52560 3.81% 50223 4.31% 991253 1.59% 359 0.28% hn.kd.ny.adsl
6 44021 3.19% 0 0.00% 39972 0.06% 4821 3.75% garbi.infortelecom.net
7 37201 2.70% 37201 3.19% 370673 0.60% 16 0.01% 185.117.123.35
8 36185 2.62% 36185 3.10% 372948 0.60% 4 0.00% 95-165-100-99.static.spd-mgts.ru
9 27014 1.96% 25200 2.16% 1803412 2.90% 172 0.13% msnbot-157-55-39-98.search.msn.com
10 18197 1.32% 16254 1.39% 1163692 1.87% 6 0.00% crawl-66-249-70-121.googlebot.com
11 16236 1.18% 12567 1.08% 302822 0.49% 244 0.19% ninja-crawler84.webmeup.com
12 13398 0.97% 11614 1.00% 812753 1.31% 8 0.01% crawl-66-249-70-71.googlebot.com
13 11996 0.87% 5785 0.50% 186890 0.30% 66 0.05% whitehall.cyberalert.com
14 11601 0.84% 9744 0.84% 217866 0.35% 5 0.00% crawl-prodd4-6.babbar.eu
15 11469 0.83% 11299 0.97% 136154 0.22% 520 0.40% 20.75.14.144
16 9138 0.66% 8070 0.69% 620781 1.00% 7 0.01% crawl-66-249-70-123.googlebot.com
17 8922 0.65% 8604 0.74% 166809 0.27% 81 0.06% 184-82-10-0.24.public.erhq-mser.myaisfibre.com
18 8720 0.63% 8414 0.72% 163264 0.26% 70 0.05% 159.192.123.2
19 8462 0.61% 7968 0.68% 159865 0.26% 108 0.08% 61.7.141.204
20 7091 0.51% 6384 0.55% 137773 0.22% 2 0.00% crawl-prodd4-3.babbar.eu
21 5839 0.42% 5030 0.43% 372151 0.60% 5 0.00% crawl-66-249-70-75.googlebot.com
22 4630 0.34% 4044 0.35% 306153 0.49% 7 0.01% crawl-66-249-70-125.googlebot.com
23 4310 0.31% 4310 0.37% 491314 0.79% 4 0.00% vm1985900.51ssd.had.wf
24 3855 0.28% 3385 0.29% 264320 0.42% 52 0.04% crawl-66-249-66-55.googlebot.com
25 3291 0.24% 2841 0.24% 194666 0.31% 7 0.01% crawl-66-249-66-51.googlebot.com
26 3158 0.23% 1819 0.16% 588706 0.95% 533 0.41% msnbot-207-46-13-111.search.msn.com
27 3073 0.22% 1802 0.15% 391480 0.63% 512 0.40% msnbot-157-55-39-158.search.msn.com
28 3035 0.22% 2722 0.23% 203820 0.33% 10 0.01% crawl-66-249-73-89.googlebot.com
29 2939 0.21% 2474 0.21% 170875 0.27% 4 0.00% crawl-66-249-70-79.googlebot.com
30 2777 0.20% 2644 0.23% 248580 0.40% 51 0.04% static.masmovil.com

Top 10 of 39852 Total Sites By KBytes
# Hits Files KBytes Visits Hostname
1 358693 25.99% 345034 29.59% 7927175 12.74% 16768 13.03% ns.aiidatapro.com
2 74730 5.41% 57477 4.93% 3134900 5.04% 55 0.04% 64.62.252.163
3 27014 1.96% 25200 2.16% 1803412 2.90% 172 0.13% msnbot-157-55-39-98.search.msn.com
4 57562 4.17% 44730 3.84% 1560686 2.51% 110 0.09% 216.244.66.196
5 18197 1.32% 16254 1.39% 1163692 1.87% 6 0.00% crawl-66-249-70-121.googlebot.com
6 52560 3.81% 50223 4.31% 991253 1.59% 359 0.28% hn.kd.ny.adsl
7 78944 5.72% 78944 6.77% 813781 1.31% 1 0.00% v552824.hosted-by-vdsina.ru
8 13398 0.97% 11614 1.00% 812753 1.31% 8 0.01% crawl-66-249-70-71.googlebot.com
9 9138 0.66% 8070 0.69% 620781 1.00% 7 0.01% crawl-66-249-70-123.googlebot.com
10 679 0.05% 661 0.06% 607616 0.98% 3 0.00% 64.124.8.26.available.above.net

Top 30 of 3640 Total Referrers
# Hits Referrer
1 530366 38.43% - (Direct Request)
2 36454 2.64% http://proserial.org
3 7478 0.54% https://u2017.org/
4 6250 0.45% https://hudsonkansas.org/
5 6226 0.45% https://crystal31.com/
6 6220 0.45% https://januaryadventure.org/
7 6209 0.45% https://hairtransplant-chandigarh.com/
8 6169 0.45% https://livingstonreads.org/
9 6162 0.45% https://ksnbha.info/
10 5089 0.37% https://www.bigskycash.org/tribal-installment-loans-online-offer-quick-cash/
11 4890 0.35% https://aaptcps.org/
12 4862 0.35% https://www.bigskycash.org/
13 4851 0.35% https://umarthejourno.com/
14 4836 0.35% https://operation-cinderella.org/
15 4795 0.35% https://exquisiteacts.org/
16 4775 0.35% https://brevardballet.org/
17 4746 0.34% https://housepartners-architecture.com/
18 4653 0.34% https://opportunityondeck.org/
19 1914 0.14% https://evacuator21.ru/
20 1360 0.10% http://www.elnaviero.com
21 1144 0.08% https://www.google.com/
22 1116 0.08% https://avtozaimer.ru/
23 928 0.07% https://musor8m3.ru/
24 707 0.05% http://cleantalkorg4.ru/
25 706 0.05% http://cleantalkorg2.ru
26 690 0.05% http://wow2019.ru
27 680 0.05% http://z.globus-kino.ru
28 671 0.05% http://netstate.ru/
29 670 0.05% http://abisko.ru/
30 659 0.05% http://z.globus-kino.ru/

Top 6 of 6 Total Search Strings
# Hits Search String
1 25 64.10% http://citynix.ru
2 10 25.64% https://citynix.ru
3 1 2.56% http://www.elnaviero.com/spip/spip.phparticle3568
4 1 2.56% https://decois.ru/blog/kak-krasivo-ukrasit-novogodnjuju-elku/
5 1 2.56% https://letundra.com/ru/kenya/
6 1 2.56% https://www.hardiegrant.com/uk/publishing/buynowinterstitialr=https://pastebin.com/u/seribujasa

Top 15 of 2058 Total User Agents
# Hits User Agent
1 358693 25.99% Mozilla/5.0 (Windows NT 6.3; WOW64; rv:37.0) Gecko/20100101 Firefox/37.0
2 76078 5.51% Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)
3 75072 5.44% The Knowledge AI
4 57562 4.17% Mozilla/5.0 (compatible; DotBot/1.2; +https://opensiteexplorer.org/dotbot; help@moz.com)
5 36432 2.64% Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm)
6 25191 1.83% Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
7 25005 1.81% Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/)
8 20549 1.49% Mozilla/5.0 (compatible; SemrushBot/7~bl; +http://www.semrush.com/bot.html)
9 18694 1.35% Mozilla/5.0 (compatible; Barkrowler/0.9; +https://babbar.tech/crawler)
10 16236 1.18% Mozilla/5.0 (compatible; BLEXBot/1.0; +http://webmeup-crawler.com/)
11 16192 1.17% Mozilla/5.0 (compatible; AhrefsBot/7.0; +http://ahrefs.com/robot/)
12 13302 0.96% Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36
13 11996 0.87% Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36
14 11453 0.83% Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36
15 11282 0.82% Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.79 Safari/537.36

Usage by Country for June 2022

Top 30 of 113 Total Countries
# Hits Files KBytes Country
1 626665 45.40% 560176 48.04% 24297651 39.04% Commercial (com)
2 404584 29.31% 345133 29.60% 17680614 28.40% Unresolved/Unknown
3 131239 9.51% 73321 6.29% 13167094 21.15% Network (net)
4 117781 8.53% 117342 10.06% 1362215 2.19% Russian Federation
5 23438 1.70% 18481 1.58% 445609 0.72% European Union
6 19380 1.40% 18614 1.60% 1962748 3.15% Spain
7 18506 1.34% 7745 0.66% 253498 0.41% Germany
8 17608 1.28% 7096 0.61% 784252 1.26% Brazil
9 4312 0.31% 4311 0.37% 491377 0.79% Wallis and Futuna Islands
10 2667 0.19% 2470 0.21% 294723 0.47% Colombia
11 1533 0.11% 1503 0.13% 153703 0.25% Argentina
12 1247 0.09% 1173 0.10% 90402 0.15% Mexico
13 1227 0.09% 1122 0.10% 26275 0.04% Thailand
14 1178 0.09% 1099 0.09% 320779 0.52% India
15 782 0.06% 729 0.06% 82300 0.13% Ecuador
16 675 0.05% 477 0.04% 47598 0.08% Turkey
17 429 0.03% 425 0.04% 17528 0.03% Chile
18 421 0.03% 196 0.02% 23110 0.04% Singapore
19 399 0.03% 396 0.03% 4866 0.01% Moldova
20 382 0.03% 356 0.03% 81330 0.13% Poland
21 350 0.03% 333 0.03% 6280 0.01% Samoa
22 328 0.02% 316 0.03% 13347 0.02% Dominican Republic
23 288 0.02% 206 0.02% 9737 0.02% Address Routing (arpa)
24 266 0.02% 100 0.01% 51514 0.08% Czech Republic
25 261 0.02% 152 0.01% 30439 0.05% Non-Profit (org)
26 258 0.02% 177 0.02% 47696 0.08% Indonesia
27 253 0.02% 239 0.02% 16877 0.03% United States
28 242 0.02% 218 0.02% 34403 0.06% Italy
29 201 0.01% 97 0.01% 25416 0.04% Taiwan
30 197 0.01% 155 0.01% 4342 0.01% Generic TLD (info)


Generated by Webalizer Version 2.21