Year	current US$
2006	385015137.977199
2007	205730990.096231
2008	310897938.478573
2009	279695296.54707
2010	372283464.884097
2011	544193963.332311
2012	709882443.999017
2013	302505293.855635
2014	434367258.67777
2015	314683679.185005
2016	497297251.501879
2017	550533976.256556
2018	445030485.709039
2019	555241572.391447
2020	410593549.581697
2021	331254458.322075