| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 2 |
0%
|
| -8 | Refused | 6 |
0.1%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Yes | 2070 |
22.3%
|
| 2 | No | 7211 |
77.6%
|
| Sysmiss | 2606 |