| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 0 | No | 1112 |
92.7%
|
| 1 | Yes | 65 |
5.4%
|
| 9 | Don't know | 19 |
1.6%
|
| 998 | Refused | 0 |
0%
|