| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 1962 |
84.4%
|
| 1 | Yes | 249 |
10.7%
|
| 8 | Refused | 45 |
1.9%
|
| 9 | Don't know | 68 |
2.9%
|