Food amount (edible) before processing/cooking (raw amount) (g). This variable can be used in three cases:
1. ingredients of recipes which were weighted before cooking/processing;
2. when all foods in the dataset are expressed as raw/unprocessed;
3. when (FOOD_AMOUNT_UNPROC)
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.