| Value | Category | Cases | |
|---|---|---|---|
| -1 | MIssing | 13 |
0.5%
|
| 0 | No | 293 |
12.2%
|
| 1 | Yes | 2016 |
84%
|
| 9 | Don't know | 77 |
3.2%
|
| 998 | Refused | 0 |
0%
|