| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 41 |
17.3%
|
| -1 | refuse | 21 |
8.9%
|
| 1 | 0-500 | 175 |
73.8%
|
| 2 | 501-1250 | 0 |
0%
|
| Sysmiss | 812 |