| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 10 |
0.1%
|
| 1 | YES | 442 |
5.5%
|
| 2 | NO | 7320 |
91.5%
|
| 7 | NOT APPLICABLE | 232 |
2.9%
|
| Sysmiss | 7 |