| Value | Category | Cases | |
|---|---|---|---|
| 2017 | 708 |
18.3%
|
|
| 2018 | 1344 |
34.7%
|
|
| 2019 | 1533 |
39.6%
|
|
| 2020 | 285 |
7.4%
|
|
| 9997 | inconsistent | 0 |
0%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 10764 |