| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 0 | No | 257 |
21.4%
|
| 1 | Yes | 893 |
74.4%
|
| 9 | Don't know | 48 |
4%
|
| 998 | Refused | 0 |
0%
|