Year	constant 2010 US$
1995	5482.58804955532
1996	5681.54164714159
1997	6546.56977417208
1998	7366.14127910205
1999	7508.45339620722
2000	7662.80600333835
2001	8348.09122454493
2002	9015.29238639148
2003	7566.15374602517
2004	8324.70474624024
2005	7694.97450194732
2006	10069.2435251142
2007	10814.6294046136
2008	10971.749736614
2009	10413.3268062746
2010	9207.1767416459
2011	9113.80457140685
2012	9281.22130836661
2013	11397.322977755
2014	10941.5914063084
2015	11530.2179978796
2016	14967.1184766543
2017	15685.3106351032
2018	15937.9765892431