| Value | Category | Cases | |
|---|---|---|---|
| 2017 | 822 |
12.9%
|
|
| 2018 | 1155 |
18.1%
|
|
| 2019 | 1136 |
17.8%
|
|
| 2020 | 8 |
0.1%
|
|
| 9999 | NO RESPONSE | 2 |
0%
|
| Sysmiss | 3271 |
51.2%
|