| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 0 |
0%
|
| -1 | refuse | 0 |
0%
|
| 1 | 0-40 | 11 |
61.1%
|
| 2 | 41-2500 | 7 |
38.9%
|
| Sysmiss | 1031 |