| Value | Category | Cases | |
|---|---|---|---|
| 1 | no | 744 |
22.7%
|
| 2 | yes | 1325 |
40.5%
|
| 7 | not applicable | 1171 |
35.8%
|
| 8 | don't know | 20 |
0.6%
|
| 9 | refused | 13 |
0.4%
|
| Sysmiss | 1987 |