| Value | Category | Cases | |
|---|---|---|---|
| 1 | high protein content level (above 10%) | 10 |
50%
|
| 2 | normal protein content level (about 10%) | 9 |
45%
|
| 3 | low protein content level (less than 10%) | 1 |
5%
|
| Sysmiss | 169 |