| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999. Don't know | 0 |
0%
|
| -997 | -997. Not applicable | 0 |
0%
|
| 0 | 0. No | 3507 |
70.8%
|
| 1 | 1. Yes | 1447 |
29.2%
|
| d | 1 |
0%
|