| Value | Category | Cases | |
|---|---|---|---|
| 2018 | 691 |
19.3%
|
|
| 2019 | 1184 |
33.1%
|
|
| 2020 | 1308 |
36.5%
|
|
| 2021 | 397 |
11.1%
|
|
| 9999 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 4414 |