| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 21 |
7%
|
| -1 | refuse | 5 |
1.7%
|
| 0 | 227 |
75.7%
|
|
| 1 | 15-500 | 12 |
4%
|
| 2 | 501-1000 | 9 |
3%
|
| 3 | 1001-16200 | 26 |
8.7%
|
| Sysmiss | 749 |