| Value | Category | Cases | |
|---|---|---|---|
| 1994 | 1 |
0.2%
|
|
| 1998 | 1 |
0.2%
|
|
| 1999 | 3 |
0.6%
|
|
| 2000 | 4 |
0.8%
|
|
| 2001 | 1 |
0.2%
|
|
| 2002 | 2 |
0.4%
|
|
| 2005 | 1 |
0.2%
|
|
| 2006 | 3 |
0.6%
|
|
| 2008 | 1 |
0.2%
|
|
| 2009 | 1 |
0.2%
|
|
| 2010 | 2 |
0.4%
|
|
| 2011 | 3 |
0.6%
|
|
| 2012 | 6 |
1.3%
|
|
| 2013 | 5 |
1%
|
|
| 2014 | 11 |
2.3%
|
|
| 2015 | 16 |
3.3%
|
|
| 2016 | 33 |
6.9%
|
|
| 2017 | 39 |
8.1%
|
|
| 2018 | 75 |
15.6%
|
|
| 2019 | 120 |
25%
|
|
| 2020 | 90 |
18.8%
|
|
| 2021 | 62 |
12.9%
|