| Value | Category | Cases | |
|---|---|---|---|
| 2014 | 4 |
2%
|
|
| 2015 | 9 |
4.5%
|
|
| 2016 | 14 |
6.9%
|
|
| 2017 | 39 |
19.3%
|
|
| 2018 | 116 |
57.4%
|
|
| 2019 | 20 |
9.9%
|
|
| Sysmiss | 3010 |