Year	current US$
2007	5195605
2008	7247588
2009	5130103
2010	4727601
2011	7448895
2012	7581095
2013	9332592
2014	9307631
2015	11860132
2016	21845447
2017	28235636
2018	36293329
2019	45573710
2020	26514439
2021	37562645
2022	476798137