| Value | Category | Cases | |
|---|---|---|---|
| 2015 | 358 |
13.6%
|
|
| 2016 | 726 |
27.5%
|
|
| 2017 | 596 |
22.6%
|
|
| 2018 | 462 |
17.5%
|
|
| 2019 | 497 |
18.8%
|
|
| Sysmiss | 0 |