| Value | Category | Cases | |
|---|---|---|---|
| 2015 | 94 |
17.3%
|
|
| 2016 | 129 |
23.7%
|
|
| 2017 | 130 |
23.9%
|
|
| 2018 | 95 |
17.5%
|
|
| 2019 | 96 |
17.6%
|
|
| Sysmiss | 0 |