DWT: deadweight ton
est.: estimate
Ex-Im: Export-Import Bank of the United States
f.o.b.: free on board
FRG: Federal Republic of Germany (West Germany); used for information dated before 3 October 1990 or CY91
FY: fiscal year
GDP: gross domestic product
GDR: German Democratic Republic (East Germany); used for information dated before 3 October 1990 or CY91
GNP: gross national product
GRT: gross register ton