| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't Know | 9 |
2.3%
|
| 1 | Higher | 16 |
4.2%
|
| 2 | The same | 95 |
24.7%
|
| 3 | Less | 235 |
61%
|
| 4 | No income | 30 |
7.8%
|
| Sysmiss | 1115 |