| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 26404 |
79.4%
|
| 1 | Yes | 5755 |
17.3%
|
| 8 | Don't know | 1111 |
3.3%
|
| 9 | Missing | 115 | |
| Sysmiss | 1211 |