| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 71 |
3.9%
|
| 2 | no | 1660 |
92.3%
|
| 8 | Don | 67 |
3.7%
|
| 9 | Refused | 1 |
0.1%
|
| Sysmiss | 329 |