| Value | Category | Cases | |
|---|---|---|---|
| 2014 | 185 |
14.4%
|
|
| 2015 | 214 |
16.6%
|
|
| 2016 | 232 |
18%
|
|
| 2017 | 235 |
18.2%
|
|
| 2018 | 218 |
16.9%
|
|
| 2019 | 204 |
15.8%
|
|
| Sysmiss | 0 |