| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 0 |
0%
|
| -1 | refuse | 2 |
5.6%
|
| 0 | 9 |
25%
|
|
| 1 | 1-50 | 18 |
50%
|
| 2 | 51-60000 | 7 |
19.4%
|
| Sysmiss | 1013 |