| Value | Category | Cases | |
|---|---|---|---|
| 2008 | 1 |
0.7%
|
|
| 2012 | 1 |
0.7%
|
|
| 2013 | 3 |
2%
|
|
| 2014 | 2 |
1.3%
|
|
| 2015 | 16 |
10.5%
|
|
| 2016 | 19 |
12.4%
|
|
| 2017 | 30 |
19.6%
|
|
| 2018 | 25 |
16.3%
|
|
| 2019 | 31 |
20.3%
|
|
| 2020 | 23 |
15%
|
|
| 2021 | 2 |
1.3%
|
|
| Sysmiss | 1347 |