| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 0 |
0%
|
| -1 | refuse | 1 |
11.1%
|
| 0 | 5 |
55.6%
|
|
| 500 | 1 |
11.1%
|
|
| 900 | 1 |
11.1%
|
|
| 5000 | 1 |
11.1%
|
|
| Sysmiss | 1040 |