Accounts of the Quantity and Value of Opium, Woollens, Cotton Goods and all other Articles imported into Canton and of Tea and all other Articles and of Treasure exported from Canton, by the East India Company and Private Traders Respectively, respectively and also of all bills drawn upon India and London by the Select Committee at Canton and also of the Exports and Imports of Foreign Nations at the Port of Canton; in each Year from 1820, inclusive