A bear gall weighs about 150-200 grams, and Board of Foreign Trade statistics for 1979-84 show that Taiwan imported more than 6000 kilograms from Thailand and Canada.
一個熊膽不過三、四兩重，根據國貿局資料統計，一九七九到八四年間，台灣曾經由泰國、加拿大進口六千多公斤的熊膽。