| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 16 |
3.2%
|
| 2 | No | 477 |
96.4%
|
| 3 | Don't know | 1 |
0.2%
|
| 4 | Refused | 1 |
0.2%
|
| Sysmiss | 505 |