| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don’t know | 105 |
12.9%
|
| -8 | Refused | 5 |
0.6%
|
| -3 | Missing | 0 |
0%
|
| 1 | More | 458 |
56.1%
|
| 2 | The same | 248 |
30.4%
|
| Sysmiss | 183 |