Year DOD, current US$ 1970 221770000 1971 206987382 1972 320672776 1973 403200400 1974 704667531.8 1975 1029078876 1976 1397287095.9999998 1977 1566537878.0000002 1978 2304907540 1979 3155207194.9000006 1980 3810855878.4999995 1981 5284117600.599999 1982 5794227097.199999 1983 6637376693 1984 6520774871.599999 1985 7165153494.900002 1986 7422046349.900002 1987 8270340921.999998 1988 7599493255.8 1989 6962501843.3 1990 7112798892.599998 1991 7304066800.7 1992 7195709047.7 1993 7151845924.199999 1994 7938006921.200001 1995 8603428216.799997 1996 8325187421.4 1997 7757270443.9 1998 8386498294.299997 1999 10117265887.000002 2000 9370828066.099998 2001 8956342516.5 2002 9745322750.800001 2003 10213724561.200003 2004 10386993541.999998 2005 9125534165.600002 2006 6253839697.799999 2007 6538949264.500001 2008 7247558082.699998 2009 17780257234.200005 2010 17418771572.100006 2011 18416663084.5 2012 20007777411.100002 2013 20174529912.09999 2014 18627605208.200005 2015 17893217438.1 2016 17415509585.699993 2017 18854933123 2018 18808571354.899994 2019 19651947532.8 2020 30122120676.29999 2021 50267274875.69999 2022 49163345652.20001