| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 4 |
0%
|
| 1 | YES | 2651 |
20%
|
| 2 | NO | 10496 |
79.2%
|
| 7 | NOT APPLICABLE | 109 |
0.8%
|
| Sysmiss | 3 |