| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999. Don't Know | 0 |
0%
|
| 0 | 0. No | 3168 |
98.3%
|
| 1 | 1. Yes | 52 |
1.6%
|
| d | 1 |
0%
|
|
| s | 3 |
0.1%
|