| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not filled | 1366 |
7.9%
|
| 1 | Yes | 4110 |
23.9%
|
| 2 | No | 11736 |
68.2%
|
| 9 | Don't know | 0 |
0%
|
| Sysmiss | 17319 |