Year	current US$
2012	2867196.08306885
2013	3706368.92318726
2014	5114103.31726074
2015	3592742.6815033
2016	3873005.39016724
2017	2608247.51853943
2018	3579750.06103516
2019	6055066.58554077
2020	6829639.91165161
2021	6540287.97149658
2022	7579289.91317749