Year	constant 2010 US$
1975	4070.44080488256
1976	4570.38693702923
1977	4790.71002108604
1978	4606.14341686324
1979	4972.58989386152
1980	5255.35743638484
1981	5240.47424422047
1982	4619.04808983311
1983	4173.4121930346
1984	4104.84428865986
1985	3893.26125106255
1986	3958.96803294379
1987	3827.93516136591
1988	3930.21771841719
1989	3913.45563144449
1990	4269.49754438225
1991	4219.27335082713
1992	4349.45430263249
1993	4373.38187938409
1994	4399.38982619947
1995	4383.55759065558
1996	4480.67487345774
1997	4568.73636501713
1998	4707.0933153747
1999	4690.78802572029
2000	4843.57775910814
2001	4817.85029357644
2002	4743.5895427734
2003	4888.94368443523
2004	5228.5580520803
2005	5402.78876447063
2006	5620.17427679295
2007	5737.63289331602
2008	5926.09111435446
2009	5810.1120696514
2010	5945.67855757046
2011	6021.16395165001
2012	6278.73488907362
2013	6336.58193876708
2014	6354.88574848425
2015	6430.46460946729
2016	6507.88289478034
2017	6447.29473124376
2018	6458.73448593572