| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999. Don't Know | 0 |
0%
|
| 0 | 0. No | 3090 |
95.8%
|
| 1 | 1. Yes | 120 |
3.7%
|
| d | 1 |
0%
|
|
| s | 13 |
0.4%
|