| Value | Category | Cases | |
|---|---|---|---|
| -1 | MIssing | 0 |
0%
|
| 0 | No | 960 |
40%
|
| 1 | Yes | 1366 |
56.9%
|
| 9 | Don't know | 74 |
3.1%
|
| 998 | Refused | 0 |
0%
|