| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 409 |
86.1%
|
| 2 | no | 21 |
4.4%
|
| 3 | 2 |
0.4%
|
|
| 9 | dk | 43 |
9.1%
|
| Sysmiss | 24245 |