| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 3 |
3.5%
|
| -1 | refuse | 4 |
4.7%
|
| 0 | 9 |
10.5%
|
|
| 1 | 0.6-100 | 46 |
53.5%
|
| 2 | 101-1000 | 16 |
18.6%
|
| 3 | 1001-700000 | 8 |
9.3%
|
| 700000 | extreme value | 0 |
0%
|
| Sysmiss | 963 |