| Value | Category | Cases | |
|---|---|---|---|
| 2014 | 61 |
3.4%
|
|
| 2015 | 159 |
8.8%
|
|
| 2016 | 241 |
13.3%
|
|
| 2017 | 325 |
18%
|
|
| 2018 | 341 |
18.9%
|
|
| 2019 | 680 |
37.6%
|
|
| Sysmiss | 3098 |