| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refused to answer | 0 |
0%
|
| -88 | Don't know | 0 |
0%
|
| 4000 | 2 |
25%
|
|
| 5000 | 1 |
12.5%
|
|
| 8000 | 1 |
12.5%
|
|
| 12640 | 1 |
12.5%
|
|
| 20000 | 2 |
25%
|
|
| 31000 | 1 |
12.5%
|
|
| Sysmiss | 151 |