| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 41 |
0.4%
|
| -8 | Refused | 4 |
0%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 1 |
0%
|
| 1 | Yes | 1904 |
19.8%
|
| 2 | No | 7665 |
79.7%
|
| Sysmiss | 2274 |