Year	constant 2015 US$
2004	27065334.439277604
2005	28487502.2172928
2006	47865720.03364559
2007	44206404.20913699
2008	30808513.28372959
2009	59164154.291152984
2010	71220870.61405179
2011	39219076.15661619
2012	25442479.610443097
2013	45681492.9842949
2014	37846465.1107788
2015	31536912.918090798
2016	42334246.8738556
2017	50940967.977047004
2018	51983387.231826805
2019	126810797.214508
2020	50936327.93426511
2021	52670415.10343551
2022	52267362.05816271