| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 6 |
0.6%
|
| -8 | Refused | 2 |
0.2%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 1 |
0.1%
|
| 1 | Yes | 29 |
3%
|
| 2 | No | 945 |
96.1%
|
| Sysmiss | 16 |