| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 512 |
88.7%
|
| 2 | no | 56 |
9.7%
|
| 3 | (dk) | 9 |
1.6%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 423 |