| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 10625 |
78.3%
|
| 1 | Yes | 2940 |
21.7%
|
| 8 | Don't know | 12 |
0.1%
|
| 9 | Missing | 187 | |
| Sysmiss | 20832 |