| Value | Category | Cases | |
|---|---|---|---|
| -1 | MIssing | 5 |
0.2%
|
| 0 | No | 1082 |
45.1%
|
| 1 | Yes | 1104 |
46%
|
| 9 | Don't know | 208 |
8.7%
|
| 998 | Refused | 0 |
0%
|