Year	current US$
2011	1509999.9904632599
2012	1186772.58491516
2013	1696222.0668792701
2014	1661834.3591690098
2015	6320767.87948608
2016	1701324.1052627598
2017	2216120.9583282503
2018	2002825.7369995099
2019	1481616.37783051
2020	1630244.01664734
2021	3289799.9286651597
2022	2389106.0352325398