Year	constant 2010 US$
2000	6245.27393996954
2001	6778.43686792295
2002	7276.75195385374
2003	7315.42831167525
2004	7540.85012300876
2005	7141.19228789736
2006	7747.25901017907
2007	10189.7993076806
2008	11884.2496285107
2009	10231.5010735502
2010	10546.3665370796
2011	9518.41942227696
2012	10660.047881749
2013	10380.0127444482
2014	9863.3652959917
2015	10547.2226660344
2016	9574.60092266233
2017	8575.2679229363