Year constant 2010 US$ 1995 28623.7631964088 1996 28000.1070002718 1997 29378.7855669622 1998 35833.3862626513 1999 32631.3581118916 2000 42251.2179800907 2001 55326.6365182991 2002 46983.232817494 2003 47311.3373334719 2004 38462.281359227 2005 39849.8914009747 2006 44994.6973942742 2007 45968.2908411728 2008 54481.0376800393 2009 52140.1515896033 2010 60837.5501235269 2011 63209.3005708574 2012 69430.5239533305 2013 51030.9754615162 2014 56531.4903027779 2015 68234.3188789351 2016 59731.154094083 2017 57191.1170228538 2018 65200.8624584935