| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 2229 |
92.9%
|
| 1 | Yes | 144 |
6%
|
| 9 | Don't know | 27 |
1.1%
|
| 998 | Refused | 0 |
0%
|