| Value | Category | Cases | |
|---|---|---|---|
| -2 | Don't know | 159 |
5.8%
|
| -1 | Refused | 25 |
0.9%
|
| 1 | Yes | 651 |
23.6%
|
| 2 | No | 1927 |
69.8%
|
| Sysmiss | 237 |