| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 26 |
1.1%
|
| 0 | No | 1017 |
42.4%
|
| 1 | Yes | 891 |
37.1%
|
| 9 | Don't know | 466 |
19.4%
|
| 998 | Refused | 0 |
0%
|