| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 436 |
36.3%
|
| 1 | Yes | 630 |
52.5%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don't know | 132 |
11%
|