| Value | Category | Cases | |
|---|---|---|---|
| 2015 | 243 |
15.9%
|
|
| 2016 | 305 |
20%
|
|
| 2017 | 343 |
22.5%
|
|
| 2018 | 299 |
19.6%
|
|
| 2019 | 334 |
21.9%
|
|
| Sysmiss | 38081 |