Year Current U.S. Dollars 1960-01-01 74.5959442514248 1961-01-01 80.5208019919039 1962-01-01 79.9677957743641 1963-01-01 81.5879156525645 1964-01-01 87.8587465027727 1965-01-01 91.3220540229147 1966-01-01 93.8448211707177 1967-01-01 95.3219206925318 1968-01-01 109.2477810371550 1969-01-01 104.9197036767850 1970-01-01 103.4098670271090 1971-01-01 108.0397857165740 1972-01-01 121.1997303811120 1973-01-01 140.0130735355330 1974-01-01 142.4427622690990 1975-01-01 187.6996489819110 1976-01-01 218.7506575984890 1977-01-01 240.3735876557300 1978-01-01 282.3812261035510 1979-01-01 315.8626112278520 1980-01-01 349.6099162053720 1981-01-01 296.0645947316090 1982-01-01 309.3677325725670 1983-01-01 264.1972435940970 1984-01-01 248.5851878223680 1985-01-01 328.3119197776300 1986-01-01 416.1188418694470 1987-01-01 435.8930918473920 1988-01-01 449.7829378253290 1989-01-01 429.5415540707170 1990-01-01 490.0745619300370 1991-01-01 456.8977857700350 1992-01-01 456.0741539955670 1993-01-01 401.9779715850940 1994-01-01 260.4835710611560 1995-01-01 332.6773771607710 1996-01-01 293.3188854137230 1997-01-01 266.6076446595040 1998-01-01 268.9004231291100 1999-01-01 271.8551165090980 2000-01-01 243.5429317438290 2001-01-01 243.1586486292240 2002-01-01 253.7068342825820 2003-01-01 286.2508019039880 2004-01-01 313.2105980446730 2005-01-01 323.9805112398880 2006-01-01 347.6071719134460 2007-01-01 397.0171543695300 2008-01-01 456.8618268170160 2009-01-01 449.9612040970000 2010-01-01 446.4436877954920 2011-01-01 490.5103906722270 2012-01-01 483.1860932392430 2013-01-01 337.4849790320290 2014-01-01 377.1321263233000 2015-01-01 348.3814271497950 2016-01-01 382.0702810668300 2017-01-01 418.4112870361820