Year constant 2010 US$ 1970 2249.7491088221 1971 2400.01770915603 1972 2472.02147317669 1973 2514.1739721754 1974 2500.20811976969 1975 2700.77531393749 1976 2815.26149259453 1977 3031.28228595681 1978 3205.33938193016 1979 3218.11000163516 1980 3043.82924172314 1981 3624.91669457963 1982 3931.74049214579 1983 4127.48657466916 1984 4432.42770357092 1985 4473.64937742446 1986 4440.10354964013 1987 4290.16173148069 1988 4401.69453823044 1989 4386.71378894023 1990 4219.99965173987 1991 3741.73672953076 1992 3289.05534390652 1993 2785.9718604522 1994 2793.21944957565 1995 2848.76772961857 1996 3057.74168498786 1997 3128.42705047639 1998 3119.50819843084 1999 3298.82676183545 2000 3480.83089218864 2001 3579.39547527961 2002 3619.05531013141 2003 3746.43781503043 2004 3955.16666643203 2005 4393.8300479724 2006 4924.1296085638 2007 5286.48019452478 2008 5511.04696456554 2009 5596.13968145983 2010 5730.35477459488 2011 5885.25462455411 2012 6051.68574614449 2013 6203.84326293832 2014 6255.42616104799 2015 6522.73679904185 2016 6550.27437297674 2017 6664.65830221734