| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 0 | No | 1701 |
70.7%
|
| 1 | Yes | 701 |
29.1%
|
| 9 | Don't know | 4 |
0.2%
|
| 998 | Refused | 0 |
0%
|