| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refusal to answer | 0 |
0%
|
| -1 | Don't know | 0 |
0%
|
| 3 | 1 |
25%
|
|
| 5 | 2 |
50%
|
|
| 6 | 1 |
25%
|
|
| Sysmiss | 176 |