Year	current US$
2012	778348.863124847
2013	937310.0996017461
2014	745559.990406036
2015	1721850.0375747702
2016	777729.988098145
2017	1043370.0084686299
2018	1146097.42164612
2019	2112819.91004944
2020	1919476.03225708
2021	1400799.98970032
2022	1588575.48236847