| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 1 |
0.1%
|
| -7 | DON'T KNOW | 6 |
0.4%
|
| 1 | YES | 43 |
2.9%
|
| 2 | NO | 1408 |
96.6%
|
| Sysmiss | 6553 |