| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 21 |
0.5%
|
| -8 | Refused | 15 |
0.3%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Yes | 327 |
7.2%
|
| 2 | No | 4187 |
92%
|
| Sysmiss | 3548 |