| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 0 |
0%
|
| -88 | Missing | 0 |
0%
|
| -77 | NA | 3 |
0.7%
|
| 1 | Yes | 210 |
46%
|
| 2 | No | 244 |
53.4%
|
| Sysmiss | 37 |