Year	current US$
2009	0
2010	0
2011	38990000.2162904
2012	28599583.6816728
2013	56415993.791073605
2014	50101364.4356281
2015	71273176.2975454
2016	56154213.3754119
2017	58135440.3011501
2018	46864243.0212349
2019	69940375.5143285
2020	44045019.1609561
2021	73077199.8018026
2022	25823975.0675857