Year	US Dollars adjusted for inflation)
1960	18495683263.48149
1961	20567918460.4912
1962	22656820356.23
1963	25080128830.82609
1964	27070786803.7136
1965	29532594843.0666
1966	29509073675.1131
1967	30392876382.4154
1968	35329274238.7553
1969	40121938832.95239
1970	43053781172.3718
1971	45269480230.28351
1972	50768162364.54529
1973	53604815061.10911
1974	57076349372.2298
1975	58927232372.4619
1976	59117274586.18751
1977	59729315236.75211
1978	63047330795.437
1979	66961192920.4755
1980	68079740566.1013
1981	71715148974.6796
1982	73208616941.3204
1983	75667768726.52388
1984	76373910709.60629
1985	79457079905.437
1986	82786446445.86148
1987	88697159747.24118
1988	91278261490.8107
1989	91802880396.26558
1990	98518443958.37151
1991	106130092379.94498
1992	114365008669.267
1993	119073137474.25803
1994	127917705874.15102
1995	136364015833.11
1996	143610926263.707
1997	148869086921.63696
1998	155071848515.646
1999	160678996710.35004
2000	173804947124.90002
2001	173848911634.12698
2002	174130250815.72595
2003	175466815619.14999
2004	183485149612.19601
2005	191069409868.94897
2006	201025695292.85895
2007	212632020994.91803
2008	218986306632.79001
2009	222011837015.24496
2010	233609522091.46799
2011	244490659320.67398
2012	249239909173.57602
2013	259486548676.11697
2014	268335394223.05402
2015	276487272960.68494
2016	287807589783.36499
2017	297396080362.92303