Year Current U.S. Dollars 1960-01-01 78650000.000000 1961-01-01 82450000.000000 1962-01-01 83900000.000000 1963-01-01 74200000.000000 1964-01-01 81150000.000000 1965-01-01 121050000.000000 1966-01-01 152800000.000000 1967-01-01 176050000.000000 1968-01-01 181200000.000000 1969-01-01 189250000.000000 1970-01-01 206950000.000000 1971-01-01 224750000.000000 1972-01-01 245900000.000000 1973-01-01 269800000.000000 1974-01-01 347300000.000000 1975-01-01 452900000.000000 1976-01-01 470200000.000000 1977-01-01 600700000.000000 1978-01-01 698100000.000000 1979-01-01 737700000.000000 1980-01-01 774900000.000000 1981-01-01 900650000.000000 1982-01-01 921650000.000000 1983-01-01 872300000.000000 1984-01-01 865550000.000000 1985-01-01 872750000.000000 1986-01-01 888000000.000000 1987-01-01 975250000.000000 1988-01-01 1152400000.000000 1989-01-01 536220000.000000 1990-01-01 379700000.000000 1991-01-01 437100000.000000 1992-01-01 397100000.000000 1993-01-01 428794117.647059 1994-01-01 597292537.313433 1995-01-01 691370588.235294 1996-01-01 862930922.693267 1997-01-01 921307500.000000 1998-01-01 935400000.000000 1999-01-01 830483255.813954 2000-01-01 890184393.939394 2001-01-01 589065550.458716 2002-01-01 975935148.936170 2003-01-01 1145047597.078050 2004-01-01 1312123920.994880 2005-01-01 1683381996.558920 2006-01-01 2571880453.402340 2007-01-01 2934012021.857920 2008-01-01 3553369034.608380 2009-01-01 3880209836.065570 2010-01-01 4264098054.928240 2011-01-01 4160176621.787030 2012-01-01 4787500000.000000 2013-01-01 5014557575.757580 2014-01-01 5170306060.606060 2015-01-01 4801587057.687240 2016-01-01 3167325321.902190 2017-01-01 3142779825.580620