| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 76 |
2.1%
|
| 2 | No | 3579 |
97.8%
|
| 7 | Don't know | 3 |
0.1%
|
| 9 | Refused | 0 |
0%
|
| Sysmiss | 16948 |