| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 22 |
0.4%
|
| 2 | No | 994 |
19.5%
|
| 3 | I do not know | 8 |
0.2%
|
| 4 | Not applicable | 4017 |
78.7%
|
| Sysmiss | 64 |