Year Current U.S. Dollars 1960-01-01 1983.10654403097 1961-01-01 2147.22931080409 1962-01-01 2315.84652740222 1963-01-01 2492.54534595494 1964-01-01 2758.94346624034 1965-01-01 3007.59797817136 1966-01-01 3240.61103693285 1967-01-01 3490.55033678895 1968-01-01 3683.31369387653 1969-01-01 3972.00274870609 1970-01-01 4669.43867205361 1971-01-01 5060.34273918223 1972-01-01 5942.14877052612 1973-01-01 7198.27165659338 1974-01-01 7975.85051569152 1975-01-01 9974.65732087962 1976-01-01 10715.03808637880 1977-01-01 11287.19912921010 1978-01-01 12442.57512017880 1979-01-01 14667.40312010280 1980-01-01 16856.76108643060 1981-01-01 15366.66859135670 1982-01-01 13545.25911922770 1983-01-01 12430.45893065220 1984-01-01 12914.33068195720 1985-01-01 13474.16134557550 1986-01-01 17727.49533351750 1987-01-01 21485.29386918120 1988-01-01 24188.76594488540 1989-01-01 25300.39511647010 1990-01-01 30162.31577181950 1991-01-01 31374.11698766760 1992-01-01 32338.50394966780 1993-01-01 24080.89967056450 1994-01-01 25747.24168755250 1995-01-01 29914.33174640900 1996-01-01 32587.26410446410 1997-01-01 29897.79263119350 1998-01-01 30143.62745827800 1999-01-01 30577.08177438920 2000-01-01 29283.00504615720 2001-01-01 26969.24457472570 2002-01-01 29571.70446432830 2003-01-01 36961.42536714240 2004-01-01 42442.22044731330 2005-01-01 43085.35314595700 2006-01-01 46256.47160104950 2007-01-01 53324.37937247560 2008-01-01 55746.84238111750 2009-01-01 46207.05920329620 2010-01-01 52076.25591348640 2011-01-01 59593.28711197190 2012-01-01 57134.07706824040 2013-01-01 60283.24522267000 2014-01-01 59180.19897767270 2015-01-01 50812.19085977130 2016-01-01 51844.76126186270 2017-01-01 53442.00828080220