| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't Know | 15 |
0.5%
|
| 0 | No | 1134 |
36.2%
|
| 1 | Yes | 741 |
23.7%
|
| d | 12 |
0.4%
|
|
| s | 1227 |
39.2%
|