| Date | Protections | ≤ 1 day | ≤ 1 week | ≤ 1 month | ≤ 1 year | > 1 year | Infinity | Unprotections |
|---|---|---|---|---|---|---|---|---|
| 2025 | 105 | 6 | 27 | 45 | 16 | 18 | ||
| 2024 | 2,103 | 108 | 541 | 896 | 248 | 51 | 382 | 65 |
| 2023 | 2,445 | 119 | 525 | 886 | 157 | 264 | 839 | 917 |
| 2022 | 2,212 | 102 | 522 | 872 | 275 | 69 | 515 | 133 |
| 2021 | 1,792 | 147 | 607 | 543 | 195 | 39 | 387 | 108 |
| 2020 | 1,506 | 141 | 361 | 412 | 182 | 21 | 478 | 66 |
| 2019 | 1,933 | 141 | 332 | 471 | 148 | 51 | 864 | 60 |
| 2018 | 1,370 | 180 | 403 | 259 | 106 | 5 | 479 | 37 |
| 2017 | 1,171 | 135 | 311 | 269 | 145 | 13 | 353 | 93 |
| 2016 | 956 | 172 | 323 | 244 | 108 | 12 | 185 | 53 |
| 2015 | 1,060 | 27 | 74 | 121 | 25 | 7 | 49 | 136 |
| 2014 | 1,352 | 81 | ||||||
| 2013 | 1,041 | 155 | ||||||
| 2012 | 1,059 | 96 | ||||||
| 2011 | 1,513 | 221 | ||||||
| 2010 | 1,631 | 232 | ||||||
| 2009 | 1,561 | 168 | ||||||
| 2008 | 2,536 | 320 | ||||||
| 2007 | 2,628 | 659 | ||||||
| 2006 | 1,221 | 490 | ||||||
| 2005 | 403 | 260 | ||||||
| 2004 | 3 | |||||||
| 2003 | ||||||||
| 2002 | ||||||||
| 2001 |