| Value | Category | Cases | |
|---|---|---|---|
| -9 | -9. Don't know | 0 |
0%
|
| -8 | -8. Refused | 1 |
33.3%
|
| -5 | -5. Unpaid | 0 |
0%
|
| 800 | 1 |
33.3%
|
|
| 1600 | 1 |
33.3%
|
|
| Sysmiss | 996 |