Year	current US$
2011	2880000.1144409203
2012	1911525.84552765
2013	3375506.16264343
2014	2368910.07423401
2015	3702135.56289673
2016	2965979.33769226
2017	3568063.25912476
2018	4047751.90353394
2019	4542177.20031738
2020	2719916.82052612
2021	5031499.8626709
2022	4301981.92596436