| Value | Category | Cases | |
|---|---|---|---|
| 1 | no | 2540 |
77%
|
| 2 | yes | 731 |
22.2%
|
| 8 | don't know | 20 |
0.6%
|
| 9 | refused | 8 |
0.2%
|
| Sysmiss | 1780 |