| Value | Category | Cases | |
|---|---|---|---|
| 2016 | 509 |
2.8%
|
|
| 2017 | 1045 |
5.7%
|
|
| 2018 | 1297 |
7.1%
|
|
| 2019 | 100 |
0.5%
|
|
| 9999 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 15360 |
83.9%
|