| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 5 |
0.2%
|
| 0 | No | 678 |
28.3%
|
| 1 | Yes | 1202 |
50.1%
|
| 7 | Not applicable | 36 |
1.5%
|
| 9 | Don't know | 479 |
20%
|
| 98 | Refused | 0 |
0%
|