The number of drugs in each candidate set for All-drug, Clinical-Drug, and Covid-Drug groups reported in the four first rows.

The rate of the number of drugs presented in the second, third, and fourth rows to the total number of drugs in each group reported in the fifth, sixth, and seventh rows respectively.

分别计算第二、第三、第四行所列药物数量与第五、第六、第七行所报告的各组药物总数量之间的比率。