Year	current US$
2000	3106467987.5301
2001	3076576622.94578
2002	3143602229.95654
2003	3528386878.94606
2004	4216522112.81967
2005	5209288391.21634
2006	6439923283.31425
2007	7559392376.81268
2008	9063650187.52543
2009	7271888002.78917
2010	8224078464.38044
2011	9958517199.31056
2012	10926779322.1649
2013	11374507169.2999
2014	11774290905.5901
2015	10560816697.9808
2016	10541905780.7869
2017	11164799282.4675
2018	12163466733.987
2019	11924600282.8532
2020	10017530882.1075