Year	current US$
2002	738743725.7296672
2003	1129048958.2447436
2004	1541344275.1930494
2005	1577948522.1049793
2006	1802874387.2167454
2007	2748388732.270094
2008	2097310803.0811543
2009	1916859503.1363463
2010	2407391740.671201
2011	2646391537.480864
2012	1851407460.267574
2013	1942973578.904172
2014	2292379445.8085465
2015	1740725968.513371
2016	1686817626.452519