| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refused to answer | 0 |
0%
|
| -88 | Don't know | 0 |
0%
|
| 30000 | 1 |
25%
|
|
| 40000 | 2 |
50%
|
|
| 100000 | 1 |
25%
|
|
| Sysmiss | 155 |