| Value | Category | Cases | |
|---|---|---|---|
| 1 | S: shelled | 3705 |
43.7%
|
| 2 | U: unshelled | 2633 |
31.1%
|
| 3 | Not applicable | 2132 |
25.2%
|
| 0 | 1 | ||
| Sysmiss | 2463 |