| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999. Don't Know | 2 |
0.1%
|
| 0 | 0. No | 1171 |
36.3%
|
| 1 | 1. Yes | 2038 |
63.2%
|
| s | 13 |
0.4%
|