| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 25 |
1%
|
| 0 | No | 592 |
24.7%
|
| 1 | Yes | 1282 |
53.4%
|
| 9 | Don't know | 501 |
20.9%
|
| 998 | Refused | 0 |
0%
|