| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 19 |
0.2%
|
| 1 | YES | 1289 |
16.1%
|
| 2 | NO | 6537 |
81.7%
|
| 7 | NOT APPLICABLE | 161 |
2%
|
| Sysmiss | 5 |