| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 19 |
3.2%
|
| 2 | No | 556 |
94.7%
|
| 3 | Don't know | 6 |
1%
|
| 9 | Missing | 6 |
1%
|
| Sysmiss | 596 |