Year	constant 2010 US$
1997	1404782692.44949
1998	1477042222.21185
1999	1455246928.16854
2000	1484708741.57379
2001	1472800854.65776
2002	1534545946.66941
2003	1506904005.95223
2004	1568580516.98315
2005	1602758100.85068
2006	1704772219.42423
2007	1768201671.09466
2008	1857297957.98831
2009	1914739327.84392
2010	2021328812.72312
2011	2097854608.94795
2012	2202177959.03342
2013	2318860003.27349
2014	2409244866.38203
2015	2319741583.99931
2016	2306519226.40002