Year	Current U.S. Dollars
1970-01-01	6412570948.59447
1971-01-01	7813040969.41720
1972-01-01	9409333981.52650
1973-01-01	12603311534.71550
1974-01-01	13749310535.02480
1975-01-01	12575107296.13730
1976-01-01	13178098207.32660
1977-01-01	14991606596.22790
1978-01-01	17921195652.17390
1979-01-01	20202343984.77410
1980-01-01	22650067554.52620
1981-01-01	23759886770.46040
1982-01-01	23416605972.32340
1983-01-01	23300473186.11990
1984-01-01	20492585295.03270
1985-01-01	23206649616.36830
1986-01-01	29035699197.29620
1987-01-01	38181987000.92850
1988-01-01	43149114331.72300
1989-01-01	41940581168.25470
1990-01-01	43598278850.17630
1991-01-01	39869457573.71150
1992-01-01	38955231816.24840
1993-01-01	43406891211.76930
1994-01-01	51562366444.83790
1995-01-01	59903028692.87990
1996-01-01	64917441376.43960
1997-01-01	62114984555.25440
1998-01-01	53652297489.34150
1999-01-01	55245731485.80620
2000-01-01	49633776840.99590
2001-01-01	51146827389.92130
2002-01-01	63270737838.23750
2003-01-01	84057652375.71760
2004-01-01	98051764705.88240
2005-01-01	107307611068.08400
2006-01-01	104119058426.82100
2007-01-01	127530682736.82700
2008-01-01	123619877697.33600
2009-01-01	116363920294.83400
2010-01-01	139300538828.21600
2011-01-01	160833685894.11300
2012-01-01	168859888205.97000
2013-01-01	182997819242.94900
2014-01-01	192599618394.49200
2015-01-01	169303509475.40900
2016-01-01	178374201632.41200
2017-01-01	199007632231.82100