| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 137 |
4.1%
|
| -8 | Refused | 83 |
2.5%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Yes | 750 |
22.5%
|
| 2 | No | 2358 |
70.9%
|
| Sysmiss | 4770 |