| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 25 |
2.2%
|
| 0 | No | 516 |
44.4%
|
| 1 | Yes | 620 |
53.4%
|
| 9 | Don't know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|