Year constant 2010 US$ 1970 3934.58480552399 1971 4116.26953834562 1972 4336.96406008845 1973 4608.97970687182 1974 4653.65576950244 1975 4703.43354024394 1976 4961.45033553431 1977 5137.76636897919 1978 5140.16569787547 1979 5264.34870330109 1980 5535.98362208204 1981 5489.998313462 1982 5219.2029358264 1983 4859.63662547222 1984 5123.03400340794 1985 5161.56866267607 1986 5151.72071968967 1987 5232.44749232408 1988 5136.89815099922 1989 5313.46059329116 1990 5008.8471005467 1991 5282.74508362169 1992 5376.70569780415 1993 5454.87832677371 1994 5624.5012364795 1995 5663.47251315667 1996 5709.61885761221 1997 5905.8521714822 1998 5892.57284359781 1999 5752.1003604647 2000 5894.81193805606 2001 5839.50110629071 2002 5787.86719448054 2003 5755.92895085126 2004 6042.25159867036 2005 6248.00135059417 2006 6578.69269504405 2007 6929.62890589587 2008 7118.97027503632 2009 7012.96910277937 2010 7419.15273198885 2011 7692.99146174975 2012 7840.54511744964 2013 7927.64754455846 2014 7852.8441700443 2015 7805.68506256346 2016 7701.32462034017 2017 7744.80016023636