Year	constant 2010 US$
2000	694.722453391405
2001	449.259482136369
2002	497.757727063342
2003	412.147821107976
2004	266.359920553034
2005	355.374821632881
2006	444.56118388767
2007	434.881658198542
2008	425.025881004657
2009	702.06260734915
2010	717.819058446464
2011	690.259342671301
2012	618.723895522645
2013	621.3444586597
2014	675.971288154136
2015	699.607943010446
2016	631.900049691202
2017	648.194832017353
2018	694.565783454841