Year DOD, current US$ 1970 73220144.1 1971 79710586.3 1972 96232136.6 1973 118816346.9 1974 153787755.8 1975 185278662.1 1976 242236035.1 1977 318670720.5 1978 410803672.5 1979 461002731 1980 537806923.4 1981 943549900.4 1982 1112727706.4 1983 1301878679.4 1984 1413251592.9 1985 1551613402.8 1986 1709094992.1 1987 1878432481.8 1988 1947394726.1 1989 2030965476.1 1990 2244600537.9 1991 2325272820.3 1992 2328282431.3 1993 2381899237.6 1994 2500958277.3 1995 2556348054.7 1996 2528407325.3 1997 2450397710.7 1998 2529802081.2 1999 2526665894.6 2000 2477537976.4 2001 2476280807.3 2002 2607722167.1 2003 2762599394.4 2004 2775888430 2005 2672234285.5 2006 2762438309.6 2007 2868829766.4 2008 2865716564.1 2009 2943660874.7 2010 2934384056.4 2011 2940364939.5 2012 2940422478.5 2013 2938896763.1 2014 2837118511.5 2015 2770590306.7 2016 2744666127.8 2017 2833531570.2 2018 5558434812.7 2019 5621339497.2 2020 4658362464.5 2021 4211181016.4 2022 4163976590.4