Year Current U.S. Dollars 1960-01-01 1550.32431495716 1961-01-01 1651.47547707967 1962-01-01 1752.97029278086 1963-01-01 1867.11298751475 1964-01-01 1994.54491964477 1965-01-01 2144.83097135923 1966-01-01 2322.94385308063 1967-01-01 2556.83530087592 1968-01-01 2804.70513080569 1969-01-01 3215.48667199577 1970-01-01 3179.27627155317 1971-01-01 3297.99899921202 1972-01-01 3322.66825611930 1973-01-01 3696.66314026272 1974-01-01 3416.55006239904 1975-01-01 3156.46805942334 1976-01-01 3328.63319198349 1977-01-01 3617.25119348996 1978-01-01 4130.75086967094 1979-01-01 5532.15083093888 1980-01-01 6338.61986793949 1981-01-01 6622.68565804379 1982-01-01 7165.13449097719 1983-01-01 7694.93798487479 1984-01-01 8873.76910201509 1985-01-01 9888.48934964442 1986-01-01 10339.52101567760 1987-01-01 11150.69003627880 1988-01-01 11381.82155998690 1989-01-01 12158.07884883400 1990-01-01 12350.97684289370 1991-01-01 11914.85776436530 1992-01-01 11682.08496471700 1993-01-01 11402.65152213600 1994-01-01 11812.46488700410 1995-01-01 12239.87149741210 1996-01-01 12717.15000528560 1997-01-01 22066.27870509110 1998-01-01 23557.95352685650 1999-01-01 26173.71547695280 2000-01-01 27112.25620195370 2001-01-01 27439.35870156860 2002-01-01 28727.02219260760 2003-01-01 28092.48573220250 2004-01-01 28076.15510067410 2005-01-01 29874.65413714240 2006-01-01 30274.99032248460 2007-01-01 31018.02949218290 2008-01-01 30188.48443827510 2009-01-01 28129.60750276170 2010-01-01 27979.11493437390 2011-01-01 27472.25617075140 2012-01-01 28815.52740438500 2013-01-01 28171.98600360510 2014-01-01 28671.34696953440 2015-01-01 30483.82010040380 2016-01-01 30260.30590544740 2017-01-01 30762.01243926440