| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 270 |
22.7%
|
| 1 | Yes | 885 |
74.4%
|
| 9 | Don't know | 35 |
2.9%
|
| 998 | Refused | 0 |
0%
|