| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't Know | 0 |
0%
|
| 0 | No | 700 |
22.4%
|
| 1 | Yes | 2253 |
72%
|
| a | 2 |
0.1%
|
|
| d | 1 |
0%
|
|
| s | 173 |
5.5%
|