Year constant 2010 US$ 1982 6395.86010147497 1983 6530.34593675174 1984 6553.76236003839 1985 6674.02999665518 1986 6969.44270423055 1987 7261.93694536161 1988 7634.95012302402 1989 7679.55435682559 1990 7847.19520510213 1991 8175.72401958627 1992 8682.14924141955 1993 9045.27622205024 1994 9404.92098413446 1995 9476.21900564896 1996 9659.39245415697 1997 9602.19675617827 1998 9314.26829873519 1999 9343.81937298522 2000 9050.51823458956 2001 9005.68084724842 2002 9309.03500575695 2003 9382.04323394865 2004 9879.64566261755 2005 10226.3784639282 2006 10721.0089431107 2007 11564.3530022251 2008 11952.1161275559 2009 11861.0441967199 2010 12216.1088534221 2011 13292.3400504362 2012 13963.9091216778 2013 14556.7338334029 2014 15079.0817171366 2015 15094.5710996731 2016 14708.4427508863 2017 14793.3134044356 2018 15240.5247508719