| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 3499 |
69.4%
|
| 2 | Some | 476 |
9.4%
|
| 3 | All | 1066 |
21.1%
|
| 11 | .A | 24 | |
| Sysmiss | 14773 |