Year	Current U.S. Dollars
1960-01-01	2598500000.00000
1961-01-01	3138500000.00000
1962-01-01	2510000000.00000
1963-01-01	2992333333.33333
1964-01-01	3405333333.33333
1965-01-01	3663333333.33333
1966-01-01	3980000000.00000
1967-01-01	4030000000.00000
1968-01-01	4619000000.00000
1969-01-01	5329333333.33333
1970-01-01	7045666666.66667
1971-01-01	6709000000.00000
1972-01-01	8771500000.00000
1973-01-01	11321750000.00000
1974-01-01	16334250000.00000
1975-01-01	15353833333.33330
1976-01-01	15176875000.00000
1977-01-01	17365700000.00000
1978-01-01	16836235294.11760
1979-01-01	21505200000.00000
1980-01-01	24154568627.45100
1981-01-01	25568701754.38600
1982-01-01	27826057613.16870
1983-01-01	31079439501.77940
1984-01-01	29148462482.94680
1985-01-01	27493591483.58640
1986-01-01	34083532195.18750
1987-01-01	40946424369.74790
1988-01-01	50078767902.93330
1989-01-01	49881433990.81610
1990-01-01	58986997916.87330
1991-01-01	67530220218.50730
1992-01-01	75575902931.96700
1993-01-01	75954641355.42910
1994-01-01	86307135996.81180
1995-01-01	100343219506.52500
1996-01-01	109957321960.08400
1997-01-01	114724862033.97700
1998-01-01	115979230546.56500
1999-01-01	117189920211.61000
2000-01-01	132339311284.42800
2001-01-01	130706147870.74700
2002-01-01	121069378150.19600
2003-01-01	126864966908.93900
2004-01-01	135445033199.46500
2005-01-01	142462925574.34800
2006-01-01	153966916311.32500
2007-01-01	178706717752.73200
2008-01-01	215840354626.53300
2009-01-01	207419370241.33500
2010-01-01	233609522091.46800
2011-01-01	261628548084.17900
2012-01-01	257296579579.34600
2013-01-01	292489185194.41700
2014-01-01	308416982140.36200
2015-01-01	299093839689.55000
2016-01-01	317747542489.38900
2017-01-01	350850537827.28100