| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 1 |
2.1%
|
| -1 | refuse | 3 |
6.4%
|
| 0 | 6 |
12.8%
|
|
| 1 | 150-1000 | 10 |
21.3%
|
| 2 | 1001-300000 | 27 |
57.4%
|
| 270000 | extreme value | 0 |
0%
|
| Sysmiss | 1002 |