| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 55 |
74.3%
|
| -1 | refuse | 1 |
1.4%
|
| 1 | 0-3000 | 12 |
16.2%
|
| 2 | 3001-200000 | 6 |
8.1%
|
| Sysmiss | 975 |