| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 0 |
0%
|
| -88 | Missing | 0 |
0%
|
| -77 | NA | 0 |
0%
|
| 1 | YES | 2852 |
91.3%
|
| 2 | NO | 272 |
8.7%
|
| Sysmiss | 896 |