| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 24 |
0.2%
|
| -8 | Refused | 37 |
0.3%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 7 |
0.1%
|
| 1 | Yes | 492 |
3.6%
|
| 2 | No | 13059 |
95.9%
|
| Sysmiss | 1374 |