| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 20 |
5.9%
|
| -1 | refuse | 8 |
2.4%
|
| 0 | 18 |
5.3%
|
|
| 1 | 0.5-1000 | 225 |
66.2%
|
| 2 | 1001-10000 | 50 |
14.7%
|
| 3 | 10001-120000 | 19 |
5.6%
|
| Sysmiss | 709 |