| Value | Category | Cases | |
|---|---|---|---|
| 2017 | 196 |
6.1%
|
|
| 2018 | 1310 |
40.6%
|
|
| 2019 | 1414 |
43.9%
|
|
| 2020 | 304 |
9.4%
|
|
| 9997 | inconsistent | 0 |
0%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 4868 |