| Value | Category | Cases | |
|---|---|---|---|
| 2017 | 886 |
21.3%
|
|
| 2018 | 1448 |
34.8%
|
|
| 2019 | 1554 |
37.3%
|
|
| 2020 | 276 |
6.6%
|
|
| 9997 | inconsistent | 0 |
0%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 26656 |