| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 14 |
0.3%
|
| -8 | Refused | 0 |
0%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Yes | 662 |
15.7%
|
| 2 | No | 3554 |
84%
|
| Sysmiss | 3835 |