| Value | Category | Cases | |
|---|---|---|---|
| -1 | MIssing | 0 |
0%
|
| 0 | No | 199 |
16.6%
|
| 1 | Yes | 964 |
80.5%
|
| 9 | Don't know | 34 |
2.8%
|
| 998 | Refused | 0 |
0%
|