| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 2 |
2.7%
|
| -1 | refuse | 7 |
9.5%
|
| 0 | 20 |
27%
|
|
| 1 | 0.5-500 | 37 |
50%
|
| 2 | 501-3500 | 8 |
10.8%
|
| Sysmiss | 975 |