| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 27 |
4.4%
|
| 2 | No | 521 |
85.8%
|
| 3 | Did not check | 56 |
9.2%
|
| 99 | Refuse | 3 |
0.5%
|
| Sysmiss | 3538 |