| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 6611 |
8.4%
|
| 1 | Yes | 71082 |
90.1%
|
| 8 | Don't know | 1163 |
1.5%
|
| 9 | 243 | ||
| Sysmiss | 74741 |