Year	Current U.S. Dollars
1975-01-01	489914760.682807
1976-01-01	576090073.715036
1977-01-01	734887973.975806
1978-01-01	964026512.197839
1979-01-01	1288715209.580840
1980-01-01	2154311276.948590
1981-01-01	2087496373.779640
1982-01-01	2159242416.769420
1983-01-01	2160364071.190210
1984-01-01	2278248953.140580
1985-01-01	2430411900.191940
1986-01-01	3090734463.276840
1987-01-01	3704813885.505480
1988-01-01	4278792597.239650
1989-01-01	4563482603.550300
1990-01-01	5591130217.669650
1991-01-01	5770197348.484850
1992-01-01	6912150456.323340
1993-01-01	6590291048.292110
1994-01-01	7425703928.571430
1995-01-01	9826778783.958600
1996-01-01	9899623588.456710
1997-01-01	9594298745.724060
1998-01-01	10353506787.330300
1999-01-01	10614455231.931000
2000-01-01	10183317624.882200
2001-01-01	10567304189.435300
2002-01-01	11618269230.769200
2003-01-01	14576896942.242400
2004-01-01	17422375000.000000
2005-01-01	18703146374.829000
2006-01-01	20403713461.297200
2007-01-01	24077470572.132500
2008-01-01	27839460963.820100
2009-01-01	25942622950.819700
2010-01-01	25562251655.629100
2011-01-01	27427161523.491800
2012-01-01	25041372221.508400
2013-01-01	24084572490.706300
2014-01-01	23359294148.865600
2015-01-01	19676167239.658400
2016-01-01	20153871681.415900
2017-01-01	21651791751.183200