| Value | Category | Cases | |
|---|---|---|---|
| -1 | MIssing | 0 |
0%
|
| 0 | No | 1732 |
72.2%
|
| 1 | Yes | 531 |
22.1%
|
| 9 | Don't know | 137 |
5.7%
|
| 998 | Refused | 0 |
0%
|