| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 0 |
0%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 1 |
0%
|
| 0 | no | 1868 |
45.4%
|
| 1 | yes | 2246 |
54.6%
|
| Sysmiss | 6 |