Year constant 2010 US$ 2007 1868683438.96731 2008 1918826097.35763 2009 2761171340.52408 2010 3583345173.30706 2011 3016533577.78874 2012 3530621552.86054 2013 3546865881.50548 2014 3996757161.90956 2015 2805723513.2712 2016 2208859370.16075 2017 1662429029.08828 2018 1768905824.90672