Year current US$ 2000 115302915.462978 2001 129811571.544355 2002 150296093.575571 2003 201433999.547453 2004 234583441.696043 2005 249822318.853347 2006 249404123.544585 2007 420416375.300743 2008 499151294.762952 2009 535553402.963736 2010 473901355.186138 2011 489922860.155538 2012 489606583.796224 2013 557448468.83302 2014 590984617.495628 2015 479599117.417069 2016 568981560.646776 2017 564255000.294129 2018 690445927.012169 2019 696552565.494784 2020 592650664.976777 2021 719840995.313955