| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 11 |
2.2%
|
| 2 | No | 487 |
97.6%
|
| 8 | Don't know | 1 |
0.2%
|
| 9 | Refused | 0 |
0%
|
| Sysmiss | 501 |