| Value | Category | Cases | |
|---|---|---|---|
| 2017 | 66 |
8.9%
|
|
| 2018 | 180 |
24.3%
|
|
| 2019 | 404 |
54.4%
|
|
| 2020 | 90 |
12.1%
|
|
| 9997 | inconsistent | 0 |
0%
|
| 9998 | don't know | 2 |
0.3%
|
| Sysmiss | 13892 |