| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| 1 | YES | 327 |
5.2%
|
| 2 | NO | 5526 |
87.6%
|
| 7 | NOT APPLICABLE | 456 |
7.2%
|
| Sysmiss | 2 |