| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 1 | Yes | 203 |
18.4%
|
| 2 | No | 897 |
81.3%
|
| 9 | Don't know | 3 |
0.3%
|
| 998 | Refused | 0 |
0%
|