| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 6718 |
76.5%
|
| 2 | Some | 779 |
8.9%
|
| 3 | All | 1290 |
14.7%
|
| 11 | .A | 29 | |
| Sysmiss | 11022 |