Year Current U.S. Dollars 1965-01-01 400129691.269841 1966-01-01 421700442.063492 1967-01-01 451524124.603175 1968-01-01 477012512.698413 1969-01-01 512728946.031746 1970-01-01 548758098.412698 1971-01-01 609047284.920635 1972-01-01 697291727.777778 1973-01-01 889357059.523810 1974-01-01 1199618980.158730 1975-01-01 1351889403.174600 1976-01-01 1540820245.238100 1977-01-01 1912353339.682540 1978-01-01 2350329157.142860 1979-01-01 3135123879.365080 1980-01-01 4094810488.095240 1981-01-01 5219516810.317460 1982-01-01 5067450002.205880 1983-01-01 5237432542.465750 1984-01-01 4067222369.306520 1985-01-01 2966234106.194690 1986-01-01 3439716561.654430 1987-01-01 3778316380.239520 1988-01-01 4082625952.738090 1989-01-01 4599970618.443480 1990-01-01 5695201563.424950 1991-01-01 6984367762.903710 1992-01-01 7157424031.060450 1993-01-01 7249533620.306140 1994-01-01 7870982170.982170 1995-01-01 9062131307.882750 1996-01-01 9788391732.828990 1997-01-01 9965225496.588400 1998-01-01 9024567484.201300 1999-01-01 8392549702.315110 2000-01-01 8195993230.742750 2001-01-01 7662595075.902410 2002-01-01 6325151760.066900 2003-01-01 6588103836.347390 2004-01-01 8033877360.416970 2005-01-01 8734653809.495610 2006-01-01 10646157920.320900 2007-01-01 13794910633.851800 2008-01-01 18504130752.992200 2009-01-01 15929902138.136300 2010-01-01 20030528042.917100 2011-01-01 25099681460.894300 2012-01-01 24595319573.754800 2013-01-01 28965906502.230600 2014-01-01 30881166852.311600 2015-01-01 27282581335.796400 2016-01-01 27424071373.050100 2017-01-01 29734895248.905300