| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 27 |
2.4%
|
| 0 | No | 608 |
55.1%
|
| 1 | Yes | 468 |
42.4%
|
| 9 | Don't know | 1 |
0.1%
|
| 998 | Refused | 0 |
0%
|