| Value | Category | Cases | |
|---|---|---|---|
| -1 | MIssing | 0 |
0%
|
| 0 | No | 170 |
14.2%
|
| 1 | Yes | 1013 |
84.4%
|
| 9 | Don't know | 17 |
1.4%
|
| 998 | Refused | 0 |
0%
|