| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 3 |
0%
|
| 1 | YES | 584 |
4.4%
|
| 2 | NO | 12468 |
94%
|
| 7 | NOT APPLICABLE | 204 |
1.5%
|
| Sysmiss | 4 |