Year	US Dollars adjusted for inflation)
1960	863817135.34888
1961	879443963.5202
1962	919379224.25242
1963	935006052.42374
1964	997513439.73413
1965	1069136458.74845
1966	1087311778.52587
1967	1087706272.12857
1968	1109677110.35219
1969	1204282042.06589
1970	1308097094.0893
1971	1353434647.00834
1972	1365618734.66949
1973	1396435536.25972
1974	1445308382.62872
1975	1469433708.97239
1976	1462833360.39718
1977	1463516149.71477
1978	1498733209.58287
1979	1566345045.41468
1980	1642211026.52583
1981	1689530164.142
1982	1770319366.27552
1983	1733093062.00784
1984	1804029154.91447
1985	1708211023.80517
1986	1729325313.393
1987	1854377474.04353
1988	1723087548.89011
1989	1735666087.97453
1990	1793810866.92852
1991	1836000592.55893
1992	1486923459.02178
1993	1507361956.18965
1994	1478007825.58958
1995	1359770845.99958
1996	1383618798.07641
1997	1302302386.54043
1998	1325548670.12586
1999	1299312276.33196
2000	1385751986.44889
2001	1297819715.6163
2002	1640668858.78078
2003	1793466334.31028
2004	1911798254.11347
2005	1997926594.52458
2006	2082317301.22993
2007	2250113451.91019
2008	2371580993.57319
2009	2447188210.25805
2010	2578026297.1676
2011	2740829818.87813
2012	3156936272.94677
2013	3810919876.18185
2014	3984574819.99707
2015	3163801388.84474
2016	3355384560.27101
2017	3494890110.81493