| Value | Category | Cases | |
|---|---|---|---|
| -9 | -9. Don't know | 0 |
0%
|
| -8 | -8. Refused | 0 |
0%
|
| 200 | 1 |
25%
|
|
| 500 | 1 |
25%
|
|
| 800 | 1 |
25%
|
|
| 1000 | 1 |
25%
|
|
| Sysmiss | 995 |