Year	constant 2010 US$
2000	462.920627106003
2001	469.701200747546
2002	471.031055999565
2003	477.588494338615
2004	491.380616528018
2005	502.345634979551
2006	519.419982914722
2007	528.61768205405
2008	535.260262659747
2009	542.473789596296
2010	560.120979082571
2011	557.781349019093
2012	562.529496583958
2013	582.567818622491
2014	589.388752392195
2015	601.90123776633
2016	603.56735382659
2017	612.126945897563
2018	616.562056153024