Year	constant 2010 US$
1976	2404.94191419429
1977	2521.04845605165
1978	2583.6392366883
1979	2628.34889838327
1980	2324.38231607051
1981	2424.90673441734
1982	2527.12383498251
1983	2513.59942327555
1984	2604.32081646596
1985	2762.76447323337
1986	3008.82282228286
1987	3251.91965150315
1988	3448.9443306312
1989	3575.45474151638
1990	3805.21146228921
1991	3931.32250075332
1992	4132.62368498032
1993	4291.46636498311
1994	4406.83508083579
1995	4556.43727867891
1996	4762.08900267968
1997	4970.30740026313
1998	5216.95986876822
1999	5285.54977792918
2000	5663.18729866722
2001	5806.70734801615
2002	5859.65930584692
2003	6162.11560892952
2004	6388.74646870512
2005	6463.92279169136
2006	6746.88662379623
2007	7100.86182491986
2008	7456.36924654787
2009	7683.12492562686
2010	8000.37643182154
2011	8313.27125413517
2012	8580.08565130036
2013	8848.88703370886
2014	9163.63347496595
2015	9476.66538887816
2016	9833.6131341629
2017	10199.47936243
2018	10578.617322528