Year	constant 2010 US$
1993	2938966851.94918
1994	933476617.134841
1995	1025834666.64539
1996	874103501.040828
1997	1010868023.43477
1998	560430859.175908
1999	456647362.702898
2000	402680146.454352
2001	263824923.539058
2002	430816599.518767
2003	380024820.610278
2004	582826527.762878
2005	719615365.716103
2006	898749565.531273
2007	968435820.259166
2008	1161974566.34455
2009	961746580.397425
2010	1573242919.99181
2011	1664155918.8107
2012	2186979023.68465
2013	2286543696.94557
2014	2397469168.21937
2015	2459564488.00748
2016	1731536284.6159
2017	1162901548.30482
2018	1260076650.7293