| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not stated | 0 |
0%
|
| 2 | Yes | 7179 |
38.2%
|
| 3 | No | 9647 |
51.3%
|
| 4 | Don't know | 1991 |
10.6%
|
| Sysmiss | 51011 |