| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 9 |
3.2%
|
| 2 | No | 264 |
94.3%
|
| 3 | Don't know | 1 |
0.4%
|
| 4 | Refused | 6 |
2.1%
|
| Sysmiss | 723 |