| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| 1 | YES | 568 |
9%
|
| 2 | NO | 5272 |
83.5%
|
| 7 | NOT APPLICABLE | 470 |
7.4%
|
| Sysmiss | 1 |