Year	Current U.S. Dollars
1960-01-01	156274047.716269
1961-01-01	173073849.384588
1962-01-01	174007583.270139
1963-01-01	159715744.035466
1964-01-01	178032258.064516
1965-01-01	198529411.764706
1966-01-01	209470588.235294
1967-01-01	231352941.176471
1968-01-01	208750000.000000
1969-01-01	228800000.000000
1970-01-01	246550000.000000
1971-01-01	264050000.000000
1972-01-01	274809523.809524
1973-01-01	291952380.952381
1974-01-01	411545454.545455
1975-01-01	481041666.666667
1976-01-01	430120000.000000
1977-01-01	423000000.000000
1978-01-01	481240000.000000
1979-01-01	499599960.000000
1980-01-01	561200040.000000
1981-01-01	507857142.857143
1982-01-01	420333300.000000
1983-01-01	419666700.000000
1984-01-01	364473657.894737
1985-01-01	384883744.186047
1986-01-01	416744186.046512
1987-01-01	262448979.591837
1988-01-01	319100010.000000
1989-01-01	256286757.352941
1990-01-01	275139232.911392
1991-01-01	239508415.921288
1992-01-01	281481376.498801
1993-01-01	373873410.906298
1994-01-01	481474908.170644
1995-01-01	567226771.830986
1996-01-01	650363463.675214
1997-01-01	672976321.795493
1998-01-01	647811684.903567
1999-01-01	638113540.601580
2000-01-01	660556719.837746
2001-01-01	637122797.361532
2002-01-01	667184628.536963
2003-01-01	691193712.241133
2004-01-01	675755893.750867
2005-01-01	776687009.380863
2006-01-01	1502368103.930150
2007-01-01	1776055651.018770
2008-01-01	1937251913.120300
2009-01-01	2044569747.487130
2010-01-01	2285997845.172610
2011-01-01	2566735696.692690
2012-01-01	2885485933.284820
2013-01-01	2961407868.381870
2014-01-01	3050358151.060890
2015-01-01	3148769975.786920
2016-01-01	3499384987.893460
2017-01-01	3654702179.176760