Year	current US$
2008	58984638
2009	7581239
2010	9504795
2011	8976852
2012	20204906
2013	18935955
2014	12120906
2015	11810010
2016	13725165
2017	11180300
2018	9709358
2019	27782789
2020	8275260
2021	5017566
2022	7822102