How to calculate the proportion of drugs in traditional Chinese medicine hospital in health statistics yearbook

Calculate the proportion of hospital drugs. The proportion of hospital drugs is hospital drug income/hospital total income × 100%. Among them, hospital drug income refers to the income obtained by the hospital through the sale of prescription drugs, over-the-counter drugs and other drugs; The total income of the hospital refers to all the income obtained by the hospital in a certain period, including drug income, medical service income, bed income and so on.