Year	current US$
2011	9068491.620111732
2012	5693184.357541899
2013	6911173.184357542
2014	6343016.759776536
2015	6299329.608938548
2016	5128882.681564245
2017	5044022.346368715
2018	6542960.893854748
2019	7013575.418994414
2020	6802625.698324022
2021	7099832.402234637
2022	8185363.12849162