| Value | Category | Cases | |
|---|---|---|---|
| 2014 | 181 |
10.3%
|
|
| 2015 | 252 |
14.3%
|
|
| 2016 | 291 |
16.6%
|
|
| 2017 | 317 |
18%
|
|
| 2018 | 528 |
30%
|
|
| 2019 | 189 |
10.8%
|
|
| Sysmiss | 3147 |