| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refused to answer | 0 |
0%
|
| -88 | Don't know | 1 |
10%
|
| 400 | 1 |
10%
|
|
| 1300 | 1 |
10%
|
|
| 4000 | 2 |
20%
|
|
| 20000 | 1 |
10%
|
|
| 36000 | 1 |
10%
|
|
| 100000 | 1 |
10%
|
|
| 160000 | 1 |
10%
|
|
| 220000 | 1 |
10%
|
|
| Sysmiss | 149 |