Year	constant 2010 US$
2000	15967.470127014
2001	16451.086777688
2002	18154.2764055304
2003	18133.5761671501
2004	19494.5118842699
2005	20515.8621509659
2006	19782.7157798082
2007	16380.1922835046
2008	20428.0047270695
2009	24711.5499514474
2010	28594.6207314812
2011	32620.8757074125
2012	29312.5005648759
2013	37834.5946420872
2014	29987.9703614672
2015	22117.9051251213
2016	22895.7111511887
2017	21227.8926870124