Year	constant 2010 US$
2000	16372.879795144
2001	15100.6067119894
2002	13287.9188634947
2003	14735.0184791845
2004	16333.4568237726
2005	15585.6851236914
2006	16284.4863243162
2007	17438.4949843284
2008	18444.9603485174
2009	15127.799126131
2010	16640.9029902762
2011	16899.7227380575
2012	16050.4795707771
2013	17372.040680189
2014	16207.5678886868
2015	17514.8996180791
2016	17782.9846379977
2017	16674.1173658784