| Value | Category | Cases | |
|---|---|---|---|
| 2016 | 30 |
1.4%
|
|
| 2017 | 87 |
4%
|
|
| 2018 | 211 |
9.6%
|
|
| 2019 | 1 |
0%
|
|
| 9999 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 1859 |
84.9%
|