| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0%
|
|
| 1 | Yes | 1221 |
28.1%
|
| 2 | No | 2633 |
60.6%
|
| 8 | Don’t know | 487 |
11.2%
|
| Sysmiss | 7980 |