| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
6.3%
|
|
| 1 | yes | 1 |
6.3%
|
| 2 | no | 5 |
31.3%
|
| 88 | refused | 9 |
56.3%
|
| Sysmiss | 2140 |