| Value | Category | Cases | |
|---|---|---|---|
| -1 | MIssing | 0 |
0%
|
| 0 | No | 221 |
9.2%
|
| 1 | Yes | 2109 |
87.9%
|
| 9 | Don't know | 70 |
2.9%
|
| 998 | Refused | 0 |
0%
|