Year constant 2010 US$ 2003 15291139124.2832 2004 16036259641.142 2005 17867521490.3822 2006 17011222480.4646 2007 22491178385.3759 2008 24097793402.4636 2009 30749529078.3235 2010 31477739185.3489 2011 13390365428.5827 2012 29897103122.4312 2013 41150327502.9895 2014 37521081907.58 2015 23438355446.3619 2016 13153836477.0307 2017 14674723581.7607 2018 31636912274.7366