| Date | Protections | ≤ 1 day | ≤ 1 week | ≤ 1 month | ≤ 1 year | > 1 year | Infinity | Unprotections |
|---|---|---|---|---|---|---|---|---|
| 2023 | 6,081 | 3 | 519 | 640 | 575 | 318 | 4,234 | 101 |
| 2022 | 7,091 | 7 | 671 | 765 | 732 | 45 | 5,157 | 109 |
| 2021 | 12,167 | 26 | 1,703 | 785 | 857 | 27 | 9,198 | 124 |
| 2020 | 12,012 | 23 | 1,976 | 999 | 660 | 43 | 10,587 | 187 |
| 2019 | 6,205 | 36 | 1,417 | 788 | 442 | 108 | 3,573 | 95 |
| 2018 | 5,072 | 23 | 1,130 | 687 | 543 | 26 | 2,828 | 101 |
| 2017 | 5,871 | 26 | 746 | 1,175 | 726 | 6 | 3,478 | 712 |
| 2016 | 5,171 | 55 | 964 | 875 | 447 | 20 | 3,017 | 113 |
| 2015 | 4,706 | 12 | 99 | 134 | 72 | 35 | 607 | 66 |
| 2014 | 7,115 | 89 | ||||||
| 2013 | 5,685 | 164 | ||||||
| 2012 | 6,985 | 85 | ||||||
| 2011 | 3,615 | 384 | ||||||
| 2010 | 2,075 | 113 | ||||||
| 2009 | 3,327 | 238 | ||||||
| 2008 | 2,664 | 696 | ||||||
| 2007 | 2,279 | 602 | ||||||
| 2006 | 1,254 | 301 | ||||||
| 2005 | 429 | 205 | ||||||
| 2004 | 9 | |||||||
| 2003 | ||||||||
| 2002 |