Year	current US$
2000	67589996.3378906
2001	48740001.6784668
2004	22360000.6103516
2006	6719999.79019165
2007	11539999.961853001
2008	11479999.5422363
2009	4980000.01907349
2010	1669999.95708466
2011	12729999.5422363
2012	5370900.15411377
2013	6869558.8111877395
2015	2984792.23251343
2016	5753715.03829956
2017	5725490.0932312
2018	2430724.38240051
2019	3230472.80311584
2020	2785272.5982665997
2021	3287919.99816895