Year	constant 2010 US$
1995	4182.16036572027
1996	4188.10265860346
1997	4041.25163715042
1998	3878.9740992627
1999	3795.25264725722
2000	3693.97747545771
2001	4262.85498905026
2002	4821.14481627689
2003	5100.02434575655
2004	6376.61289219563
2005	6150.63576896125
2006	6336.79880450246
2007	5873.8387291015
2008	6943.83631769519
2009	7251.39848294475
2010	6311.84571933278
2011	7178.89843397641
2012	6346.26489770307
2013	7405.50502082162
2014	7954.75748329876
2015	7822.28692453162
2016	8831.90531803695