Year	constant 2010 US$
1996	347712849.05562
1997	307022228.388824
1998	345963779.391922
1999	458080244.878805
2000	485636342.410657
2001	586213348.292385
2002	693698629.323814
2003	755774101.727904
2004	863204380.568652
2005	896062689.282281
2006	952197925.092678
2007	1044722610.25851
2008	1161525262.39153
2009	1279966979.80688
2010	1330733602.47228
2011	1339401788.01652
2012	1340779553.65012
2013	1379755985.39107
2014	1467985421.85413
2015	1451778972.52551
2016	1519966633.44122
2017	1563747445.55324
2018	1545853521.96151