Year	US Dollars
2008-01-01	1098137600.0
2009-01-01	970186134.1
2010-01-01	1523403567.0
2011-01-01	1337483350.0
2012-01-01	878451540.0
2013-01-01	1119322620.0
2014-01-01	1066219490.0
2015-01-01	912076653.5
2016-01-01	724000000.0
2017-01-01	504400279.5
2018-01-01	555851767.4
2019-01-01	503310279.2
2020-01-01	460118810.5
2021-01-01	186764277.2