| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 37 |
6.1%
|
| 2 | No | 475 |
78.3%
|
| 3 | Did not check | 91 |
15%
|
| 99 | Refuse | 4 |
0.7%
|
| Sysmiss | 3538 |