Year current US$ 2000 66960064 2001 105970179 2002 146344506 2003 96577769 2004 134093581 2005 283051372 2006 116672102 2007 174289700 2008 230509083 2009 133901447.99999999 2010 98143267 2011 248683069 2012 255454630 2013 272227163 2014 240530790 2015 170028062 2016 240858203 2017 151246436 2018 195290411 2019 225494787 2020 178253274