| Value | Category | Cases | |
|---|---|---|---|
| -1 | MIssing | 0 |
0%
|
| 0 | No | 375 |
31.3%
|
| 1 | Yes | 812 |
67.7%
|
| 9 | Don't know | 13 |
1.1%
|
| 998 | Refused | 0 |
0%
|