Year	constant 2010 US$
1991	1988.22609665105
1992	2096.43752873856
1993	2178.83750234798
1994	2275.62637484435
1995	2346.64903964191
1996	2432.05404428585
1997	2509.47455195625
1998	2597.11670509067
1999	2697.80293528834
2000	2779.81272043478
2001	2847.21243868464
2002	2774.99140272112
2003	2800.0690984016
2004	2901.44661373822
2005	2919.61769088704
2006	2972.47941381653
2007	3012.90403690164
2008	3140.91029857841
2009	3256.20526951339
2010	3392.04967354265
2011	3480.87829182769
2012	3564.7021316098
2013	3690.55210253387
2014	3808.31885882537
2015	3895.30831417185
2016	3875.89878996549
2017	3981.34892937951
2018	4094.93991655586