| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 42 |
6.9%
|
| 2 | No | 501 |
82.5%
|
| 3 | Did not check | 60 |
9.9%
|
| 99 | Refuse | 4 |
0.7%
|
| Sysmiss | 3538 |