| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 42 |
0.4%
|
| 1 | YES | 300 |
2.8%
|
| 2 | NO | 9433 |
88.4%
|
| 7 | NOT APPLICABLE | 900 |
8.4%
|
| Sysmiss | 2 |