Year	US Dollars adjusted for inflation)
1960	2283859425.55787
1961	2425027328.18676
1962	2579600978.543
1963	2684655789.98462
1964	2914738349.25506
1965	3214038834.01893
1966	3400895273.37601
1967	3539327405.26181
1968	3693627577.71976
1969	3999218302.08417
1970	4432845774.97873
1971	4711901952.94773
1972	4977820654.34616
1973	5302835747.69074
1974	5441268003.54655
1975	5393391147.75195
1976	5210638860.38964
1977	5254138086.29117
1978	5703359502.00946
1979	5807867605.59458
1980	5674086209.59007
1981	5658492142.7963
1982	5678463467.57305
1983	5861489604.74373
1984	5840697350.39201
1985	6074336362.04047
1986	6359408433.9215
1987	6535595516.14451
1988	6725731706.76042
1989	6630254572.32037
1990	6430540084.85269
1991	7044457168.8649
1992	8020050048.91553
1993	9479882492.37118
1994	10043187448.7972
1995	9710512008.84744
1996	10461493468.0365
1997	10053035999.1662
1998	9674125690.52791
1999	9853634316.17161
2000	9607801709.4545
2001	9596148540.73567
2002	9580900209.54904
2003	9788240710.71917
2004	10054595942.4082
2005	10692539535.846
2006	10937876230.9341
2007	12151737720.2699
2008	12115978016.9354
2009	12940537460.965
2010	14250726289.854
2011	14408526139.4409
2012	15078295048.9225
2013	15655783372.3492
2014	18070132657.464
2015	19027666624.8742
2016	19389192290.7468
2017	19815754521.1432