| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 0 |
0%
|
| -88 | Missing | 0 |
0%
|
| -77 | NA | 0 |
0%
|
| 1 | YES | 2891 |
92.4%
|
| 2 | NO | 237 |
7.6%
|
| Sysmiss | 892 |