| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 0 |
0%
|
| -88 | Missing | 0 |
0%
|
| -77 | NA | 10 |
0.7%
|
| 1 | Yes | 907 |
60.3%
|
| 2 | No | 586 |
39%
|
| Sysmiss | 18 |