| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 802 |
88.5%
|
| 2 | no | 94 |
10.4%
|
| 3 | (dk) | 9 |
1%
|
| 4 | (ref) | 1 |
0.1%
|
| Sysmiss | 111 |