Year constant 2010 US$ 1970 1329.71722839885 1971 1365.43905176583 1972 1440.04638698773 1973 1524.31351692656 1974 1516.29911710145 1975 1552.48325830708 1976 1575.05758830544 1977 1620.62376754445 1978 1681.73765227968 1979 1760.38062236917 1980 1769.02608374899 1981 1801.77623425024 1982 1855.12997612049 1983 1896.2874422546 1984 1930.78228626015 1985 1969.9479914383 1986 2017.41744006043 1987 2076.82358769361 1988 2156.99369438494 1989 2241.34334119322 1990 2331.48153959475 1991 2370.25116340182 1992 2412.4676897117 1993 2441.42407885919 1994 2498.80873333722 1995 2569.76210656356 1996 2652.12552861838 1997 2688.40653818024 1998 2648.12646825794 1999 2720.76339271472 2000 2810.14006906664 2001 2877.88651199212 2002 2957.22909636347 2003 3005.03180041208 2004 3089.25212882546 2005 3191.27692117055 2006 3285.52634140955 2007 3423.34704710515 2008 3493.22309995727 2009 3556.18767830083 2010 3725.17693743424 2011 3897.33423114843 2012 4060.94191065277 2013 4210.3529356699 2014 4324.19810362929 2015 4458.6693134199 2016 4605.44310816327 2017 4757.83349344459