Year	current US$
2011	16429999.947547914
2012	14709238.40254546
2013	19976477.42927073
2014	16118240.565061575
2015	27887172.34134674
2016	19138335.108757026
2017	19082003.759220246
2018	20927434.571087375
2019	24126727.523282174
2020	14689346.745610235
2021	33444300.338625904
2022	18859940.35750626