Year	constant 2010 US$
1997	1608828148.57778
1998	1634378027.70022
1999	1648957847.66876
2000	1643479432.4408
2001	1711264413.0322
2002	1647124735.92254
2003	1635827537.47313
2004	1687242696.80393
2005	1594508638.8884
2006	1612517583.44097
2007	1634638240.63135
2008	1756709246.88431
2009	1699083543.121
2010	1741253630.01008
2011	1878594990.82992
2012	1939650324.7326
2013	2063938582.16443
2014	2112928132.80148
2015	2230916570.29111
2016	2220351375.06644