| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 2 |
4.3%
|
| -1 | refuse | 4 |
8.5%
|
| 0 | 9 |
19.1%
|
|
| 1 | 150-1000 | 10 |
21.3%
|
| 2 | 1001-5000 | 15 |
31.9%
|
| 3 | 5001-50000 | 7 |
14.9%
|
| Sysmiss | 1002 |