Foreign Trade General 1981 - 1982
Foreign Trade General 1980
Foreign Trade General 1977 - 1979
Foreign Trade General 1975 - 1977
Foreign Trade Exports 1998
Foreign Trade Exports 1995 - 1997
Foreign Trade Exports 1993 - 1994
Foreign Trade Exports 1989 - 1992
Foreign Trade Exports 1986 - 1990pdf