| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 18 |
1.1%
|
| -8 | Refused | 3 |
0.2%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Yes | 39 |
2.4%
|
| 2 | No | 1533 |
96.2%
|
| Sysmiss | 4 |