Year DOD, current US$ 1970 279105203.5 1971 318551659.7 1972 380425832.2 1973 453645368.3 1974 545984803.3 1975 724200803 1976 895820616.7 1977 1156800622.6 1978 1468971965.1 1979 1822581888.3 1980 2231091188.2 1981 2703102527.2 1982 2895308996.4 1983 3609386880.8 1984 3616226970.5 1985 3946979641.9 1986 4042273468.7 1987 4115257285.7 1988 3959363048.5 1989 3938957763.8 1990 3449594865 1991 3670539938.6 1992 3577814186.8 1993 3471319979.4 1994 3497668922.9 1995 3390400114.3 1996 3142169760.9 1997 2959086055.8 1998 3264812958.5 1999 3398286237.3 2000 3699284652.1 2001 3689333576.7 2002 3534236031 2003 3983305620.5 2004 4001398554.1 2005 4354712414 2006 4602437783.3 2007 5139745472.2 2008 4813599244.4 2009 5271338710.6 2010 5482371704.6 2011 7220979371.6 2012 11166278124 2013 14482576575.2 2014 17148553004.5 2015 20767831170.4 2016 22797409983.2 2017 22854564508.6 2018 24782019199.8 2019 26829172626.4 2020 26570244219 2021 27903883234.1 2022 30127850227.7