Year	constant 2010 US$
2001	369.899532003179
2002	377.162564125984
2003	383.567757490435
2004	382.124077452327
2005	395.004816647758
2006	411.198588683629
2007	419.134499965186
2008	419.945775351673
2009	440.177887784178
2010	465.366667182656
2011	467.540817440613
2012	542.866533815357
2013	558.859110849033
2014	582.608606593246
2015	596.887895659768
2016	587.106401052533
2017	594.413086503508
2018	599.212446901415