Year	constant 2015 US$
1970	3098185683.446516
1971	3295749998.0438395
1972	3478592106.81096
1973	3870634793.9052224
1974	4001701908.965538
1975	4017642185.3065267
1976	4050590286.687182
1977	4189031348.735421
1978	4282157447.783902
1979	4653316232.493952
1980	4473403655.583127
1981	4611311706.915809
1982	4459763279.516599
1983	4408339347.022761
1984	4648352996.996531
1985	4566745890.962554
1986	4814808165.555501
1987	4716331324.939617
1988	4773468828.372237
1989	4995314067.114515
1990	5183946089.195621
1991	5164160769.640313
1992	5422771834.526633
1993	5530414721.470174
1994	5796234082.799837
1995	6057883142.550359
1996	6249145119.445143
1997	6176567970.189341
1998	6267096186.900022
1999	6541409369.203224
2000	6430945903.925955
2001	6496810890.095077
2002	6631008461.398662
2003	6762715253.354422
2004	7032621467.912748
2005	7204204470.65165
2006	7375358229.313883
2007	7406398059.876475
2008	7564244457.199885
2009	7519458467.629435
2010	7799958754.731244
2011	8101199669.951516
2012	8182698430.180864
2013	8445745767.909149
2014	8751844703.752617
2015	9082590662.612247
2016	9425967751.497475
2017	9803525058.609463
2018	10074414114.938847
2019	10196767897.370928
2020	9151286296.347595
2021	8888830558.597628
2022	9716238209.348898
2023	10275743091.703037