| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| 1 | YES | 28 |
0.6%
|
| 2 | NO | 3318 |
75.3%
|
| 7 | NOT APPLICABLE | 1059 |
24%
|
| Sysmiss | 4751 |