| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 1 |
5.6%
|
| -1 | refuse | 0 |
0%
|
| 0 | 11 |
61.1%
|
|
| 1 | 1-1500 | 6 |
33.3%
|
| Sysmiss | 1031 |