| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1576 |
67.8%
|
| 1 | Yes | 745 |
32.1%
|
| 9 | Don't know | 3 |
0.1%
|
| 998 | Refused | 0 |
0%
|