Year	current US$
2009	0
2010	0
2011	36200000.345706895
2012	30810821.175575297
2013	39662428.4386635
2014	34953395.9031105
2015	54267080.187797494
2016	41600230.7832241
2017	52417596.8170166
2018	56513208.3892822
2019	52659706.2945366
2020	34224253.281951
2021	81860699.5344162
2022	61534714.22195436