| Date | Protections | ≤ 1 day | ≤ 1 week | ≤ 1 month | ≤ 1 year | > 1 year | Infinity | Unprotections |
|---|---|---|---|---|---|---|---|---|
| 2023 | 7,521 | 24 | 227 | 391 | 433 | 156 | 6,310 | 1,329 |
| 2022 | 10,367 | 28 | 194 | 398 | 582 | 36 | 9,141 | 927 |
| 2021 | 31,401 | 36 | 206 | 501 | 654 | 5 | 30,021 | 65 |
| 2020 | 1,268 | 17 | 184 | 390 | 541 | 15 | 135 | 3 |
| 2019 | 3,861 | 23 | 182 | 368 | 384 | 87 | 2,866 | 2 |
| 2018 | 991 | 9 | 119 | 247 | 366 | 47 | 224 | 4 |
| 2017 | 490 | 8 | 44 | 159 | 227 | 60 | ||
| 2016 | 301 | 6 | 42 | 94 | 135 | 1 | 24 | 11 |
| 2015 | 334 | 1 | 11 | 30 | 18 | 1 | 4 | 2 |
| 2014 | 102 | 9 | ||||||
| 2013 | 161 | 12 | ||||||
| 2012 | 1 | |||||||
| 2011 | ||||||||
| 2010 | ||||||||
| 2009 | ||||||||
| 2008 | ||||||||
| 2007 | ||||||||
| 2006 | ||||||||
| 2005 | ||||||||
| 2004 |