Year	constant 2010 US$
1995	2859.06600077806
1996	2941.42579438988
1997	3049.35923323985
1998	3060.3675008114
1999	3160.42309474164
2000	3373.24506515883
2001	3508.80820793623
2002	3673.13071092422
2003	3871.286559229
2004	4157.3875833727
2005	4420.48401982237
2006	4787.53422340489
2007	5240.16014149978
2008	5555.88873510102
2009	5656.96689120808
2010	6038.95403629727
2011	6394.95607687117
2012	6732.14873793508
2013	7040.53920331935
2014	7354.67856770649
2015	7576.39860007712
2016	7826.28783105551
2017	8148.68498487958