Year constant 2010 US$ 2007 144757732.117249 2008 151070398.365645 2009 166951160.195877 2010 126560086.577814 2011 185024816.299939 2012 135641360.799885 2013 158426320.738784 2014 162346158.331185 2015 190268415.223018 2016 210599954.502627 2017 173106492.080278 2018 195440310.502187