| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| 1 | YES | 283 |
4.5%
|
| 2 | NO | 5166 |
81.9%
|
| 7 | NOT APPLICABLE | 860 |
13.6%
|
| Sysmiss | 2 |