| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 0 | No | 1067 |
89%
|
| 1 | Yes | 109 |
9.1%
|
| 9 | Don't know | 20 |
1.7%
|
| 998 | Refused | 0 |
0%
|