Year constant 2010 US$ 1975 265399886.501598 1976 255570262.355411 1977 265399886.501598 1978 277850742.956022 1979 291612223.538692 1980 290956902.503676 1981 301441831.072115 1982 300458865.800101 1983 321756399.734993 1984 329620112.607958 1985 340105041.176396 1986 347641075.922324 1987 350917611.988302 1988 362385503.835223 1989 393185001.066539 1990 437418318.030763 1991 450524494.855691 1992 463958315.253109 1993 415465498.279914 1994 427779585.172643 1995 451397227.130371 1996 448700307.734836 1997 453033009.561642 1998 460002663.35829 1999 468386299.254353 2000 454272780.916852 2001 389928523.251556 2002 272589271.344245 2003 318707660.544088 2004 328323186.035709 2005 342367164.008514 2006 369071803.023124 2007 432183081.295556 2008 479841927.559047 2009 619328415.069239 2010 689691514.266709 2011 699105418.618389 2012 654362671.252676 2013 712006015.149511 2014 751368170.741999 2015 773415905.192951 2016 793828510.426503 2017 814655498.459332