| Value | Category | Cases | |
|---|---|---|---|
| -1 | MIssing | 1 |
0.1%
|
| 0 | No | 119 |
9.9%
|
| 1 | Yes | 1037 |
86.4%
|
| 9 | Don't know | 43 |
3.6%
|
| 998 | Refused | 0 |
0%
|