Year	current US$
2009	45458707
2010	108137935
2011	111996858
2012	70719219
2013	56850708
2014	61144896
2015	79866870
2016	75587694
2017	159191931
2018	115050
2019	47339563
2020	15965131
2021	30887563
2022	28422229