Year US Dollars adjusted for inflation) 1970 726460342.63615 1971 821342248.10512 1972 872078805.65175 1973 931432567.57417 1974 984582475.66721 1975 990945242.84321 1976 1049997736.05855 1977 1142631846.77565 1978 1211380773.6871 1979 1270261116.79366 1980 1380469050.91134 1981 1389653029.37658 1982 1328235078.62707 1983 1374155043.15382 1984 1302979095.73067 1985 1350621066.7489 1986 1446479002.9269 1987 1526264934.67375 1988 1611790880.03658 1989 1719128819.37969 1990 1517654950.35005 1991 1515932949.27188 1992 1438443004.21401 1993 1366119059.04945 1994 1447053004.0362 1995 1501008943.65321 1996 1523968937.25218 1997 1546354919.00926 1998 1666320851.33621 1999 1689280827.15457 2000 1809246741.70089 2001 1832206717.51925 2002 1814412741.59421 2003 1894827616.86314 2004 2028626802.51062 2005 2126686936.57652 2006 2244839174.26788 2007 2297647623.61978 2008 2439323625.11335 2009 2460447004.85411 2010 2503156060.52524 2011 2490727405.27373 2012 2525452961.36271 2013 2482655002.57819 2014 2614551661.59919 2015 2622659625.54009 2016 2823634003.66281