| Value | Category | Cases | |
|---|---|---|---|
| 1 | high protein content level (above 10%) | 18 |
40%
|
| 2 | normal protein content level (about 10%) | 23 |
51.1%
|
| 3 | low protein content level (less than 10%) | 4 |
8.9%
|
| Sysmiss | 719 |