| Value | Category | Cases | |
|---|---|---|---|
| 2017 | 7 |
0.1%
|
|
| 2018 | 415 |
6.5%
|
|
| 2019 | 949 |
14.8%
|
|
| 2020 | 6 |
0.1%
|
|
| 9999 | NO RESPONSE | 4 |
0.1%
|
| Sysmiss | 5013 |
78.4%
|