| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 6 |
1.2%
|
| 2 | No | 448 |
89.8%
|
| 7 | Missing | 36 |
7.2%
|
| 9 | Don't know | 9 |
1.8%
|
| Sysmiss | 5685 |