Year	constant 2010 US$
1994	3374.7120025114
1995	3361.03585225177
1996	3573.67234558175
1997	3797.66723011966
1998	3868.38417523603
1999	4042.66143319087
2000	4177.26119504102
2001	4446.27951266741
2002	4773.88590107458
2003	5208.62794973522
2004	5817.11810738205
2005	6469.89148916594
2006	7795.76993556174
2007	8662.07873870911
2008	8064.00161639314
2009	6882.81387413835
2010	7224.89608790313
2011	7575.57576308602
2012	7911.50902949058
2013	8400.73159292189
2014	8597.14805992567
2015	8884.78233228657
2016	9093.25023805809
2017	9553.46786295449
2018	10063.2519238168