| Value | Category | Cases | |
|---|---|---|---|
| 2016 | 11 |
0.3%
|
|
| 2017 | 917 |
22.2%
|
|
| 2018 | 1422 |
34.4%
|
|
| 2019 | 1521 |
36.8%
|
|
| 2020 | 258 |
6.2%
|
|
| 9997 | inconsistent | 0 |
0%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 10505 |