| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 127 |
17%
|
| 2 | no | 613 |
82%
|
| 3 | (dk) | 8 |
1.1%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 252 |