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