Year	current US$
2006	8009940.24322283
2007	9698386.57182676
2008	11142516.3372669
2009	7290074.11171961
2010	15826799.0434811
2011	13541205.4422661
2012	5442930.52139104
2013	0
2014	0
2015	0
2016	0
2017	0
2018	955991.748213379
2019	3401122.10829407
2020	8435966.06056612
2021	8058032.89217352