Year constant 2010 US$ 1960 2070268790.45055 1961 2239036711.22517 1962 2502698599.45814 1963 2751646477.79165 1964 3001100862.49002 1965 3296900579.57398 1966 3391186739.39449 1967 3760353903.42984 1968 3743740494.66211 1969 3802799136.80593 1970 3836811039.20694 1971 3915370176.39824 1972 3975492481.90829 1973 4228112531.3871 1974 4541538669.96853 1975 4776481647.31338 1976 4998128832.5804 1977 5386517913.16256 1978 5063620105.55807 1979 3690582651.66903 1980 4347318804.35921 1981 3732420077.40727 1982 3252479971.3749 1983 3069808450.88461 1984 2914361647.50607 1985 2679570622.07067 1986 2458784497.62393 1987 2389291824.3638 1988 3431185547.02826 1989 3237674246.72497 1990 2744809730.19518 1991 3692120019.56372 1992 3937443194.64985 1993 3821508826.21696 1994 3910440431.96903 1995 4052368371.28193 1996 4233468910.61746 1997 4479597433.59462 1998 4717443055.91399 1999 4878368853.71836 2000 5160907512.32084 2001 5410684088.88038 2002 5647059931.66792 2003 5740758483.02101 2004 5851612220.12678 2005 6050324638.98731 2006 6222867788.97758 2007 6519441304.47809 2008 6729298683.62785 2009 6843112949.24751 2010 7050057846.82812 2011 7234686068.15053 2012 7529574246.15188 2013 7817957723.8638 2014 8149010814.63793 2015 8576800781.37599 2016 9065415513.48364 2017 9590711354.09391 2018 9130641073.37549