| Value | Category | Cases | |
|---|---|---|---|
| -1 | MIssing | 0 |
0%
|
| 0 | No | 878 |
73.2%
|
| 1 | Yes | 211 |
17.6%
|
| 9 | Don't know | 111 |
9.3%
|
| 998 | Refused | 0 |
0%
|