| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refuse | 0 |
0%
|
| -1 | Don't know | 0 |
0%
|
| 0 | No | 18955 |
47.5%
|
| 1 | Yes | 20928 |
52.5%
|
| Sysmiss | 2537 |