Description based on: 1964 (1964)Issued by: Director of Commerce and Industry, 1964 (1964); Commerce and Industry Department, 1965 (1965)-1969 (1969);...
Issued by: Director of Commerce and Industry, 1964 (1964); Commerce and Industry Department, 1965 (1965)-1969 (1969); Census and Statistics Department, 1970 (1970)-; Trade Analysis Section, Census and Statistics Department, Hong Kong, -1990 (1990)