| Date | Protections | ≤ 1 day | ≤ 1 week | ≤ 1 month | ≤ 1 year | > 1 year | Infinity | Unprotections |
|---|---|---|---|---|---|---|---|---|
| 2024 | 823 | 52 | 80 | 70 | 88 | 5 | 942 | 10 |
| 2023 | 311 | 27 | 79 | 64 | 81 | 21 | 50 | 5 |
| 2022 | 258 | 22 | 49 | 68 | 79 | 61 | 8 | |
| 2021 | 2,060 | 14 | 57 | 1,872 | 65 | 2 | 77 | 3 |
| 2020 | 224 | 26 | 39 | 76 | 31 | 4 | 59 | 5 |
| 2019 | 276 | 20 | 46 | 66 | 42 | 9 | 106 | 5 |
| 2018 | 552 | 17 | 48 | 66 | 35 | 1 | 399 | 8 |
| 2017 | 415 | 24 | 34 | 59 | 18 | 290 | 9 | |
| 2016 | 265 | 50 | 70 | 95 | 34 | 1 | 28 | 11 |
| 2015 | 192 | 8 | 6 | 31 | 7 | 1 | 6 | 2 |
| 2014 | 318 | 6 | ||||||
| 2013 | 142 | 20 | ||||||
| 2012 | 123 | 14 | ||||||
| 2011 | 144 | 20 | ||||||
| 2010 | 141 | 14 | ||||||
| 2009 | 151 | 36 | ||||||
| 2008 | 96 | 29 | ||||||
| 2007 | 59 | 38 | ||||||
| 2006 | 68 | 27 | ||||||
| 2005 | 17 | 19 | ||||||
| 2004 | ||||||||
| 2003 | ||||||||
| 2002 |