Year current US$ 1960 1844741000 1961 2005416000 1962 1989471000 1963 2642618000 1964 3504239000 1965 3478462000 1966 4222838000 1967 4248676000 1968 4846149000 1969 5542043000 1970 5998163000 1971 4868493000 1972 6407917000 1973 8399393000 1974 11045350000 1975 9725058000 1976 11164929000 1977 13390993000 1978 12855550000 1979 15746503173.1 1980 18228237687.6 1981 16304870043.050001 1982 14902874348.730001 1983 14515623015.614 1984 15632229796.550001 1985 15043963842.558996 1986 15691200894.767998 1987 15562207826.068993 1988 16258416489.830002 1989 16973252864.766003 1990 20377445207.449997 1991 17657817917.699997 1992 18442411255.008 1993 16791960925.100002 1994 18397531365.285004 1995 21525536931.521004 1996 24771350140.879 1997 24018650089.79201 1998 24220135659.401005 1999 24871750438.712006 2000 34789049775 2001 34629505588 2002 39683894880 2003 41838364179 2004 49107290707 2005 61160230493 2006 68437481801 2007 77956305782 2008 93977054948 2009 78925703703 2010 99747654405 2011 134672708892 2012 117901853042 2013 130181661034 2014 135993709372 2015 113808797440 2016 103443798117 2017 114584785431 2018 130833838757 2019 128998443610 2020 136210572518