Year	constant 2010 US$
2002	9815.22433080119
2003	10410.7248049126
2004	10173.0228289289
2005	8767.93811249614
2006	9370.2915183893
2007	9302.51680899103
2008	9276.10447976581
2009	7917.23208825049
2010	8189.58329473236
2011	7925.33257541034
2012	8064.99637307393
2013	8413.30341731919
2014	8694.0479942921
2015	8905.56206977864
2016	9177.52307728815
2017	9592.04138900755