| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 5 |
15.6%
|
| -8 | does not apply | 17 |
53.1%
|
| -7 | refused to answer | 1 |
3.1%
|
| 1 | 6 |
18.8%
|
|
| 2 | 2 |
6.3%
|
|
| 3 | 1 |
3.1%
|
|
| Sysmiss | 724 |