| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.9%
|
|
| 1 | yes | 6 |
5.1%
|
| 2 | no | 101 |
86.3%
|
| 88 | refused | 9 |
7.7%
|
| Sysmiss | 2039 |