| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| 1 | YES | 212 |
3.4%
|
| 2 | NO | 5433 |
86.1%
|
| 7 | NOT APPLICABLE | 664 |
10.5%
|
| Sysmiss | 2 |