Year	constant 2010 US$
2002	6420.02527705981
2003	6463.42151278526
2004	6639.71195506796
2005	6948.41066928074
2006	7254.4981239636
2007	7407.70156021864
2008	8188.96240974244
2009	8677.23218968543
2010	9303.02266761378
2011	10292.1604700379
2012	10445.1935859148
2013	10746.3968224578
2014	11273.4532028274
2015	10253.2557063449
2016	9401.30264529229
2017	9171.05696412084