| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 6 |
0.5%
|
| 1 | Yes | 79 |
7.2%
|
| 2 | No | 1019 |
92.3%
|
| 9 | Don't know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|