Year	current US$
2011	0
2012	4114569.902420038
2013	2965619.4448471027
2014	4938234.23981667
2015	5568636.119365694
2016	-4393693.091697061
2017	1369477.987289429
2018	4175996.54197693
2019	7236136.67488098
2020	6864290.23742675
2021	1932160.0212715566
2022	2130131.8109035543