| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 1 |
0.1%
|
| -8 | Refused | 1 |
0.1%
|
| 1 | Yes | 349 |
48.1%
|
| 2 | No | 375 |
51.7%
|
| Sysmiss | 360 |