Year	current US$
2006	6529999.965801834
2007	7180000.055581333
2008	8200000.027194619
2009	7450000.010430815
2010	8700000.137090685
2011	4850000.018253922
2012	5839999.984949828
2013	7980000.033974645
2014	8650000.00596046
2015	6363815.834745763
2016	6525600.370019674
2017	7914451.5772350095
2018	7572644.885629416
2019	7150143.906474114