| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 0 |
0%
|
| -88 | Missing | 0 |
0%
|
| -77 | NA | 1 |
0%
|
| 1 | Yes | 1223 |
22.7%
|
| 2 | No | 4174 |
77.3%
|