| Value | Category | Cases | |
|---|---|---|---|
| 1 | no | 429 |
45%
|
| 2 | yes | 510 |
53.5%
|
| 8 | don't know | 10 |
1%
|
| 9 | refused | 4 |
0.4%
|
| Sysmiss | 4307 |