| Value | Category | Cases | |
|---|---|---|---|
| -1 | MIssing | 2 |
0.1%
|
| 0 | No | 1031 |
42.8%
|
| 1 | Yes | 1338 |
55.6%
|
| 9 | Don't know | 36 |
1.5%
|
| 998 | Refused | 0 |
0%
|