| Value | Category | Cases | |
|---|---|---|---|
| 2008 | 1 |
0.3%
|
|
| 2009 | 3 |
0.9%
|
|
| 2012 | 2 |
0.6%
|
|
| 2013 | 6 |
1.8%
|
|
| 2014 | 12 |
3.7%
|
|
| 2015 | 18 |
5.5%
|
|
| 2016 | 34 |
10.4%
|
|
| 2017 | 53 |
16.2%
|
|
| 2018 | 148 |
45.3%
|
|
| 2019 | 50 |
15.3%
|
|
| Sysmiss | 5771 |