Year constant 2010 US$ 1960 2268016746.26796 1961 2244985520.51247 1962 2353321916.31024 1963 2427980439.64182 1964 2556971449.4745 1965 2757379901.0315 1966 2899544878.84551 1967 3048393592.94177 1968 3248721078.75396 1969 3298717124.19153 1970 3407519910.5787 1971 3540433968.42327 1972 3740627905.66341 1973 4025399129.34002 1974 4073187838.90352 1975 4108974036.76422 1976 4448200029.91808 1977 4906654846.11343 1978 5274826747.20086 1979 5541804715.32135 1980 5546622147.22365 1981 5506187302.46089 1982 5345506540.07716 1983 5458192072.20882 1984 5791288791.25236 1985 6126579051.80757 1986 6445078484.72406 1987 6864456817.65326 1988 6953613359.39321 1989 7112689192.47322 1990 7250733475.87098 1991 6961657586.05328 1992 7334883628.10091 1993 7976680549.51916 1994 7975012083.5596 1995 8449731015.64853 1996 8616733258.95538 1997 9132601200.48422 1998 9497756881.66253 1999 9498527981.57394 2000 10133400032.8706 2001 10382098917.6295 2002 10730170200.7977 2003 11150352894.4492 2004 11773592200.5564 2005 12548210035.9617 2006 13353394497.8213 2007 14411649573.4424 2008 14962325707.3192 2009 14502967034.6627 2010 15002340358.788 2011 15430148253.7621 2012 15868824117.4222 2013 16268562990.594 2014 16604987354.8193 2015 17424309123.4195 2016 18070409611.8184 2017 18907867177.4195 2018 19735883910.034