Year	constant 2010 US$
2001	3388.57427604732
2002	3446.17703652827
2003	3530.97974992437
2004	3761.98625675369
2005	3984.96480693277
2006	4365.41808526024
2007	4618.21328570982
2008	4965.74270551655
2009	4519.87728108574
2010	4792.27906491821
2011	5229.9192683638
2012	5424.70020033236
2013	5479.21246016488
2014	5440.47858113165
2015	5043.085469657
2016	5015.75714531133
2017	4999.09090753293
