Year	current US$
2009	10128935
2010	14074208
2011	11890517
2012	10014580
2013	10843586
2014	1960836
2015	16607486
2016	10199913
2017	1119013
2018	591718
2019	1753201
2020	3810240
2021	6384226
2022	886411
