| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 5 |
0.5%
|
| -8 | Refused | 3 |
0.3%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Yes | 216 |
23.7%
|
| 2 | No | 689 |
75.5%
|
| Sysmiss | 86 |