Year	constant 2010 US$
1995	3222.43361487917
1996	3455.905450558
1997	3804.3446954277
1998	4143.11920489579
1999	4358.83458818385
2000	4803.99465161549
2001	5401.05109929074
2002	5865.79491375109
2003	6455.86898337803
2004	7083.4389062072
2005	8091.19535986766
2006	8884.47601004226
2007	10281.1515446625
2008	10155.036177185
2009	9665.71256528164
2010	8601.76448341574
2011	9422.3071575475
2012	9604.19807872794
2013	10122.7407273659
2014	10367.2332333345
2015	10898.2899425169
2016	11649.3053155819
2017	12479.82028194