| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 54 |
0.5%
|
| -8 | Refused | 11 |
0.1%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 9 |
0.1%
|
| 1 | Yes | 306 |
2.8%
|
| 2 | No | 10459 |
96.5%
|
| Sysmiss | 2880 |