| Value | Category | Cases | |
|---|---|---|---|
| 2017 | 814 |
20.4%
|
|
| 2018 | 1385 |
34.8%
|
|
| 2019 | 1528 |
38.3%
|
|
| 2020 | 258 |
6.5%
|
|
| 9997 | inconsistent | 0 |
0%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 10649 |