| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999. Don't Know | 0 |
0%
|
| 0 | 0. No | 2768 |
85.9%
|
| 1 | 1. Yes | 449 |
13.9%
|
| d | 4 |
0.1%
|
|
| s | 3 |
0.1%
|