| Value | Category | Cases | |
|---|---|---|---|
| 1996 | 1 |
0.3%
|
|
| 1999 | 1 |
0.3%
|
|
| 2000 | 4 |
1.3%
|
|
| 2003 | 1 |
0.3%
|
|
| 2004 | 1 |
0.3%
|
|
| 2005 | 1 |
0.3%
|
|
| 2006 | 6 |
2%
|
|
| 2007 | 1 |
0.3%
|
|
| 2008 | 3 |
1%
|
|
| 2009 | 8 |
2.7%
|
|
| 2010 | 4 |
1.3%
|
|
| 2011 | 17 |
5.6%
|
|
| 2012 | 7 |
2.3%
|
|
| 2013 | 12 |
4%
|
|
| 2014 | 22 |
7.3%
|
|
| 2015 | 23 |
7.6%
|
|
| 2016 | 39 |
13%
|
|
| 2017 | 16 |
5.3%
|
|
| 2018 | 13 |
4.3%
|
|
| 2019 | 29 |
9.6%
|
|
| 2020 | 28 |
9.3%
|
|
| 2021 | 21 |
7%
|
|
| 2022 | 40 |
13.3%
|
|
| 2023 | 3 |
1%
|