| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 84 |
4.7%
|
| 2 | no | 1659 |
92.1%
|
| 8 | Don | 56 |
3.1%
|
| 9 | Refused | 2 |
0.1%
|
| Sysmiss | 327 |