| Value | Category | Cases | |
|---|---|---|---|
| 2017 | 692 |
18.1%
|
|
| 2018 | 1341 |
35.1%
|
|
| 2019 | 1519 |
39.7%
|
|
| 2020 | 272 |
7.1%
|
|
| 9997 | inconsistent | 0 |
0%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 10810 |