| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 154 |
6.7%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 0 |
0%
|
| 0 | no | 1934 |
84.1%
|
| 1 | yes | 212 |
9.2%
|
| Sysmiss | 1821 |