Year constant 2010 US$ 2000 173088034.232039 2001 173596452.087159 2002 169020691.391077 2003 160038642.617286 2004 160660042.217989 2005 160264606.108451 2006 154954464.066084 2007 148232050.203939 2008 123093611.811884 2009 117501015.405562 2010 122020285.228852 2011 123037120.939093 2012 119082759.843713 2013 124901319.7412 2014 117388033.659979 2015 109366329.723638 2016 107219676.557575 2017 101683571.024044 2018 100101826.585892