| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 0 |
0%
|
| -1 | refuse | 0 |
0%
|
| 1 | Yes | 92 |
27.5%
|
| 2 | No | 242 |
72.5%
|
| Sysmiss | 715 |