| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 12 |
8.3%
|
| -1 | refuse | 7 |
4.8%
|
| 0 | 34 |
23.4%
|
|
| 1 | 0.4-100 | 60 |
41.4%
|
| 2 | 101-1000 | 24 |
16.6%
|
| 3 | 1001-1600000 | 8 |
5.5%
|
| 1600000 | extreme value | 0 |
0%
|
| Sysmiss | 904 |