| Value | Category | Cases | |
|---|---|---|---|
| -2 | Don't know | 17 |
0.6%
|
| -1 | Refused | 1 |
0%
|
| 1 | Yes | 1944 |
70.4%
|
| 2 | No | 800 |
29%
|
| Sysmiss | 237 |