| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 155 |
16.6%
|
| 2 | no | 765 |
82.2%
|
| 3 | (dk) | 10 |
1.1%
|
| 4 | (ref) | 1 |
0.1%
|
| Sysmiss | 69 |