| Value | Category | Cases | |
|---|---|---|---|
| -3 | Missing | 0 |
0%
|
| -2 | Do not know | 0 |
0%
|
| -1 | Refused | 0 |
0%
|
| 0 | No | 975 |
98%
|
| 1 | Yes | 20 |
2%
|
| Sysmiss | 4 |