| Value | Category | Cases | |
|---|---|---|---|
| 2017 | 904 |
21.5%
|
|
| 2018 | 1451 |
34.5%
|
|
| 2019 | 1567 |
37.2%
|
|
| 2020 | 289 |
6.9%
|
|
| 9997 | inconsistent | 0 |
0%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 3881 |