| Value | Category | Cases | |
|---|---|---|---|
| 2016 | 11 |
0.3%
|
|
| 2017 | 880 |
22.6%
|
|
| 2018 | 1346 |
34.6%
|
|
| 2019 | 1421 |
36.5%
|
|
| 2020 | 232 |
6%
|
|
| 9997 | inconsistent | 0 |
0%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 10744 |