| Value | Category | Cases | |
|---|---|---|---|
| 2016 | 34 |
1.6%
|
|
| 2017 | 88 |
4%
|
|
| 2018 | 215 |
9.8%
|
|
| 2019 | 2 |
0.1%
|
|
| 9999 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 1849 |
84.5%
|