| Value | Category | Cases | |
|---|---|---|---|
| 2017 | 814 |
20.6%
|
|
| 2018 | 1390 |
35.1%
|
|
| 2019 | 1509 |
38.2%
|
|
| 2020 | 242 |
6.1%
|
|
| 9997 | inconsistent | 0 |
0%
|
| 9998 | don't know | 0 |
0%
|
| Sysmiss | 10679 |