| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| -8 | Refused | 0 |
0%
|
| 1 | Yes | 320 |
82.1%
|
| 2 | No | 70 |
17.9%
|
| Sysmiss | 1605 |