Year Current U.S. Dollars 1960-01-01 297.673299079368 1961-01-01 315.385459502551 1962-01-01 321.545767139554 1963-01-01 282.306338501804 1964-01-01 305.361611188496 1965-01-01 327.114222691783 1966-01-01 344.166523485249 1967-01-01 370.154172302459 1968-01-01 334.841272848636 1969-01-01 358.320936550029 1970-01-01 379.893720546888 1971-01-01 395.202918938914 1972-01-01 395.292946834055 1973-01-01 420.661581671890 1974-01-01 588.136219913540 1975-01-01 663.401001911489 1976-01-01 602.624847334773 1977-01-01 590.065370450038 1978-01-01 658.438565167992 1979-01-01 683.333032744437 1980-01-01 773.181670774835 1981-01-01 729.606958833535 1982-01-01 616.963158851373 1983-01-01 628.197688848721 1984-01-01 564.526418035623 1985-01-01 588.613409428470 1986-01-01 660.141537394267 1987-01-01 468.104341006904 1988-01-01 551.196087546671 1989-01-01 509.316368216132 1990-01-01 533.536205388525 1991-01-01 452.389353462305 1992-01-01 492.266597824564 1993-01-01 586.971233867904 1994-01-01 713.233520233631 1995-01-01 816.542932880453 1996-01-01 925.898558168093 1997-01-01 985.046889014660 1998-01-01 946.670347422484 1999-01-01 919.866576622509 2000-01-01 946.059937166567 2001-01-01 925.582504627414 2002-01-01 960.867482711940 2003-01-01 986.795817274760 2004-01-01 1045.588609606090 2005-01-01 1098.455215613330 2006-01-01 1945.634348593030 2007-01-01 2327.058324168150 2008-01-01 2576.124957096700 2009-01-01 2764.306294796590 2010-01-01 3044.949129016670 2011-01-01 3438.825411264610 2012-01-01 3799.756292244910 2013-01-01 3944.178173278960 2014-01-01 4030.802320621030 2015-01-01 4119.676486947630 2016-01-01 4531.243526890570 2017-01-01 4725.319063299490