| Value | Category | Cases | |
|---|---|---|---|
| 2017 | 1022 |
23.6%
|
|
| 2018 | 1484 |
34.3%
|
|
| 2019 | 1559 |
36%
|
|
| 2020 | 260 |
6%
|
|
| 9997 | inconsistent | 0 |
0%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 26495 |