| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 5 |
0.1%
|
| -88 | Missing | 0 |
0%
|
| -77 | NA | 2 |
0%
|
| 1 | Yes | 5013 |
69.5%
|
| 2 | No | 2198 |
30.5%
|
| Sysmiss | 5 |