Year	constant 2010 US$
1995	4269.80910407504
1996	4231.87652181033
1997	3988.94658717839
1998	3625.47681658383
1999	3448.79299696811
2000	3739.93758495928
2001	3976.58047621038
2002	4092.90221388375
2003	4545.93598304701
2004	5096.66311556272
2005	4923.63800600175
2006	4944.33049427528
2007	5269.82980643665
2008	5229.23198738997
2009	6066.76982044653
2010	5780.89613582206
2011	5943.91078984553
2012	5508.57214444645
2013	6301.08829372792
2014	6484.07031183842
2015	5840.45621408851
2016	6441.77617446174