Year Current U.S. Dollars 1965-01-01 165.553406317711 1966-01-01 168.451804482512 1967-01-01 171.487210557498 1968-01-01 183.032170183079 1969-01-01 200.537108304679 1970-01-01 219.209952402701 1971-01-01 230.485891445423 1972-01-01 238.971648989915 1973-01-01 256.527640284751 1974-01-01 235.247681863156 1975-01-01 291.876405135203 1976-01-01 333.270128896259 1977-01-01 356.745931825514 1978-01-01 353.530090667341 1979-01-01 421.820167945047 1980-01-01 519.567944327705 1981-01-01 517.629662268238 1982-01-01 551.801963752369 1983-01-01 591.188822087508 1984-01-01 627.041759870318 1985-01-01 690.958486789166 1986-01-01 695.250138829034 1987-01-01 763.346763744019 1988-01-01 642.463267377440 1989-01-01 707.924809719688 1990-01-01 751.241123747169 1991-01-01 629.260459003791 1992-01-01 697.186854789195 1993-01-01 760.149728316513 1994-01-01 830.424269566597 1995-01-01 944.201911644478 1996-01-01 1041.523447960820 1997-01-01 1185.718121299320 1998-01-01 1258.997551904440 1999-01-01 1321.799713400630 2000-01-01 1428.183004295370 2001-01-01 1370.717437950490 2002-01-01 1210.229248816890 2003-01-01 1120.874928406690 2004-01-01 1045.943208375480 2005-01-01 1168.115230679130 2006-01-01 1375.196315991130 2007-01-01 1640.476068396510 2008-01-01 2011.246154068660 2009-01-01 2291.667062197660 2010-01-01 2602.479548695670 2011-01-01 2747.480326711660 2012-01-01 3181.441708304150 2013-01-01 3213.389157909420 2014-01-01 3327.754247261080 2015-01-01 3547.713011838270 2016-01-01 3479.281246211740 2017-01-01 2412.727081852130