Year	constant 2010 US$
2007	270020340.249329
2008	280390315.625112
2009	300722732.02722
2010	306711102.009637
2011	325238275.135837
2012	305953929.003165
2013	311881556.81621
2014	327974698.010997
2015	340339481.882816
2016	321520000.300414
2017	320946056.725554
2018	327870218.994558