Year	current US$
2007	774999876
2008	417158535
2009	246422112
2010	142432247
2011	157704168
2012	111298114
2013	94978256
2014	119694465
2015	111536291
2016	136816467
2017	167559775
2018	143430806
2019	305002018
2020	144572358
2021	239162345
2022	322122034