Year constant 2010 US$ 1973 402.679317423628 1974 393.392914987718 1975 367.266315338411 1976 362.261950018639 1977 345.125378270754 1978 366.154571760072 1979 378.005247284154 1980 375.657404553532 1981 410.560590758364 1982 391.229843286516 1983 390.5492692609 1984 389.736489311508 1985 414.882986636012 1986 420.036074240349 1987 424.225606173515 1988 424.055475390806 1989 424.251112056673 1990 442.936386057479 1991 426.630935902789 1992 430.988092050663 1993 434.917675889328 1994 448.079423160974 1995 455.539377055189 1996 459.779019114804 1997 460.099065672262 1998 470.474390435535 1999 482.153310709522 2000 499.918266078522 2001 514.682911218219 2002 524.834422156685 2003 537.182385290837 2004 569.947268777671 2005 598.825638337889 2006 637.131319147668 2007 675.567547264614 2008 703.251408850698 2009 734.135331598958 2010 771.853781928299 2011 802.569069448971 2012 844.381225710761 2013 879.422063479508 2014 905.003935481167 2015 953.99519579307 2016 1004.27398945906 2017 1053.24325751998