| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 146 |
3.5%
|
| -8 | Refused | 150 |
3.6%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Yes | 961 |
22.9%
|
| 2 | No | 2936 |
70%
|
| Sysmiss | 2858 |