| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999. Don't Know | 0 |
0%
|
| 0 | 0. No | 19 |
0.6%
|
| 1 | 1. Yes | 313 |
9.7%
|
| d | 10 |
0.3%
|
|
| s | 2882 |
89.4%
|