| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999. Don't know | 0 |
0%
|
| -997 | -997. Not applicable | 0 |
0%
|
| 0 | 0. No | 3831 |
77.3%
|
| 1 | 1. Yes | 401 |
8.1%
|
| d | 2 |
0%
|
|
| n | 721 |
14.6%
|