| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | No | 974 |
81.2%
|
| 1 | Yes | 224 |
18.7%
|
| 9 | Don't know | 1 |
0.1%
|
| 98 | Refused | 0 |
0%
|