| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 802 |
82.4%
|
| 2 | no | 155 |
15.9%
|
| 3 | (dk) | 1 |
0.1%
|
| 4 | (ref) | 15 |
1.5%
|
| Sysmiss | 36 |