Year Current U.S. Dollars 1960-01-01 533.686381232649 1961-01-01 597.287321012322 1962-01-01 630.613941293810 1963-01-01 701.620417752850 1964-01-01 784.954348432918 1965-01-01 888.921997905322 1966-01-01 981.652394470053 1967-01-01 1052.120992765660 1968-01-01 1134.356151475380 1969-01-01 1284.212315590820 1970-01-01 1494.387855253490 1971-01-01 1652.326599259500 1972-01-01 1899.675272514700 1973-01-01 2502.814358493340 1974-01-01 2828.748432197350 1975-01-01 3153.235305747170 1976-01-01 3390.545483592960 1977-01-01 3886.374252709150 1978-01-01 4694.633683347810 1979-01-01 5705.949274199310 1980-01-01 5893.661809791610 1981-01-01 5380.267682843540 1982-01-01 5579.234771589820 1983-01-01 5019.878652661320 1984-01-01 4852.565728473300 1985-01-01 4813.711179910690 1986-01-01 5656.505356068100 1987-01-01 6564.884502608130 1988-01-01 7598.028053349940 1989-01-01 7846.678164014450 1990-01-01 9600.185129659690 1991-01-01 10188.369780123800 1992-01-01 11176.458436251700 1993-01-01 10401.982986191400 1994-01-01 11091.283860637600 1995-01-01 12959.324318661900 1996-01-01 13749.115152099600 1997-01-01 13427.832493794500 1998-01-01 13472.137641527600 1999-01-01 13245.189463412100 2000-01-01 12042.953731099500 2001-01-01 12538.178827836100 2002-01-01 14110.313391107800 2003-01-01 18477.578411927000 2004-01-01 21955.104091159500 2005-01-01 22551.735744099000 2006-01-01 24801.157806503500 2007-01-01 28827.326355522400 2008-01-01 31997.282010881300 2009-01-01 29710.970295028400 2010-01-01 26917.758978725400 2011-01-01 25916.293528935100 2012-01-01 22242.681934771000 2013-01-01 21874.819504166700 2014-01-01 21760.979799491800 2015-01-01 18070.776778858400 2016-01-01 17881.526697395600 2017-01-01 18613.423873381700