| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 0 |
0%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 0 |
0%
|
| 1 | 2 |
28.6%
|
|
| 2 | 5 |
71.4%
|
|
| Sysmiss | 4114 |