| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 381 |
18.4%
|
| 2 | No | 1479 |
71.3%
|
| 7 | Missing | 18 |
0.9%
|
| 9 | Don't know | 197 |
9.5%
|
| Sysmiss | 2831 |