Year Current U.S. Dollars 1960-01-01 132.652162430184 1961-01-01 139.341402532022 1962-01-01 148.192133482819 1963-01-01 158.721177620822 1964-01-01 153.266246172963 1965-01-01 172.047766834797 1966-01-01 174.364046787653 1967-01-01 160.599309450065 1968-01-01 150.387560857642 1969-01-01 142.704618603560 1970-01-01 144.090396661290 1971-01-01 149.547039211876 1972-01-01 155.781793081722 1973-01-01 193.060765941926 1974-01-01 203.572109359449 1975-01-01 202.262133221495 1976-01-01 199.537757573860 1977-01-01 235.198789624759 1978-01-01 313.916106681597 1979-01-01 362.511975065198 1980-01-01 418.861979826947 1981-01-01 352.188664141555 1982-01-01 318.015517887117 1983-01-01 276.130015516725 1984-01-01 217.435775970418 1985-01-01 208.299123712034 1986-01-01 267.551709081194 1987-01-01 304.890124819662 1988-01-01 302.424379954979 1989-01-01 280.546854194345 1990-01-01 309.586450456650 1991-01-01 281.396466744683 1992-01-01 274.286035442202 1993-01-01 181.690380262063 1994-01-01 170.809408487813 1995-01-01 198.452809633852 1996-01-01 202.421403840517 1997-01-01 181.295535305999 1998-01-01 196.725024122843 1999-01-01 184.346476644865 2000-01-01 158.405597226702 2001-01-01 165.250724657477 2002-01-01 177.820838376822 2003-01-01 215.805040778769 2004-01-01 232.566157436879 2005-01-01 250.038373081288 2006-01-01 258.046387283884 2007-01-01 292.559619972825 2008-01-01 354.818599786230 2009-01-01 341.289461776604 2010-01-01 348.151510969273 2011-01-01 375.581986601350 2012-01-01 391.515487867272 2013-01-01 416.139942380107 2014-01-01 429.790998752324 2015-01-01 364.443722751495 2016-01-01 367.955985946299 2017-01-01 378.060307656456