| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't Know | 2 |
0.5%
|
| 1 | Higher | 35 |
9.3%
|
| 2 | The same | 161 |
42.8%
|
| 3 | Less | 161 |
42.8%
|
| 4 | No income | 17 |
4.5%
|
| Sysmiss | 1124 |