| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 0 | No | 1004 |
83.7%
|
| 1 | Yes | 174 |
14.5%
|
| 9 | Don't know | 18 |
1.5%
|
| 998 | Refused | 0 |
0%
|