| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not filled | 9627 |
78.1%
|
| 1 | Yes | 527 |
4.3%
|
| 2 | No | 2172 |
17.6%
|
| 9 | Don't know | 0 |
0%
|
| Sysmiss | 22205 |