| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't Know | 3 |
0.1%
|
| 0 | No | 513 |
16.4%
|
| 1 | Yes | 1680 |
53.7%
|
| d | 1 |
0%
|
|
| s | 932 |
29.8%
|