Year DOD, current US$ 1970 229163360 1971 233702350.7 1972 213774088.6 1973 217482194.3 1974 217428044 1975 186854615.4 1976 143900096.4 1977 153462732 1978 418075279.6 1979 524236734.4 1980 695615492.4 1981 818251748 1982 1250892580.4 1983 1518742233.1 1984 1590538145.8 1985 1859113277.1 1986 2122441939.6 1987 2502391463.8 1988 2360218835.8 1989 2415086836.7 1990 2720226100.7 1991 2955520716.7 1992 3248912321.7 1993 3433891668.4 1994 3693700847.2 1995 3934904049.1 1996 3839578084.1 1997 3602988373.2 1998 3510350470.5 1999 3291602971.7 2000 3059975178 2001 2889923894.1 2002 3173190605 2003 3498926556.5 2004 3660791627.1 2005 3298499242.2 2006 3488379733.1 2007 3869484932.9 2008 3841943953.3 2009 3968688688.8 2010 4405263594.4 2011 4792106934.9 2012 5932032633.8 2013 5152108866 2014 5233519887.5 2015 6111803661.3 2016 7871369571.4 2017 8315543233 2018 8799399991.4 2019 8302954476.3 2020 8449649776.8 2021 8598940755.7 2022 8457484497.8