| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 7 |
1.1%
|
| -8 | Refused | 1 |
0.2%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 1 |
0.2%
|
| 1 | Yes | 584 |
89%
|
| 2 | No | 63 |
9.6%
|
| Sysmiss | 13315 |