| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 616 |
20.4%
|
| 2 | no | 2335 |
77.2%
|
| 8 | don't know | 67 |
2.2%
|
| 9 | refused | 6 |
0.2%
|
| Sysmiss | 3461 |