Year	US Dollars adjusted for inflation)
1960	27007516807.73161
1961	28991785084.3297
1962	31901195760.3692
1963	33281959207.9495
1964	35461217848.36969
1965	37454752993.7436
1966	40540620296.05379
1967	42102473804.29261
1968	42166569646.6579
1969	43648496411.7063
1970	45117681232.1881
1971	47188826403.55849
1972	48829834415.92311
1973	51894851263.488
1974	56766135283.25101
1975	59207569086.1173
1976	60064368328.33781
1977	60274031234.38819
1978	58681288163.5636
1979	61081793296.00389
1980	64712089138.88689
1981	68304931387.13469
1982	68152800291.4002
1983	61059398363.1293
1984	63262596414.5535
1985	64566522075.20181
1986	70652538143.647
1987	77524307460.3656
1988	70205025605.6868
1989	61561353755.1467
1990	58494020190.38791
1991	59792154058.05141
1992	59468972009.49872
1993	62587273352.5239
1994	70290744141.86211
1995	75500268871.9384
1996	77613501072.3318
1997	82640391263.6201
1998	82316823095.53502
1999	83547386045.04239
2000	85798462918.47438
2001	86328605036.35129
2002	91036560493.9424
2003	94828254301.33559
2004	99530031846.40961
2005	105785554389.54399
2006	113750041982.73102
2007	123439711646.32899
2008	134705521240.86198
2009	136181656212.925
2010	147528937028.77798
2011	156863376722.63998
2012	166494356217.32498
2013	176238468734.98099
2014	180425935063.00302
2015	186292249117.55801
2016	193653231881.72699
2017	198547683073.42899