Year	constant 2015 US$
1970	2871188968073.613
1971	3007456469774.03
1972	3155391864542.161
1973	3318174274453.5894
1974	3390517523492.769
1975	3468871689333.993
1976	3636051591446.5703
1977	3750536075820.774
1978	3858495582764.5166
1979	4000348441650.9985
1980	4082597681725.5615
1981	4103080353579.777
1982	4136192616076.479
1983	4171085407700.23
1984	4228961205724.601
1985	4321229441890.8506
1986	4478449812303.901
1987	4636530082504.525
1988	4793314222766.859
1989	4960030398639.229
1990	5111936176279.902
1991	5216590924485.79
1992	5314523813399.063
1993	5274587706254.424
1994	5365176371460.864
1995	5464210315244.959
1996	5591009331368.023
1997	5703378997664.17
1998	5889089391532.906
1999	6084095034075.907
2000	6263385964621.066
2001	6382937042371.354
2002	6453085999177.128
2003	6543032515396.867
2004	6680252880044.268
2005	6826873746214.726
2006	6984133392525.474
2007	7138676872193.996
2008	7183549446827.411
2009	7103035302647.906
2010	7170988324372.673
2011	7197583698465.841
2012	7138655982459.709
2013	7095951533880.341
2014	7172527479778.519
2015	7323911609355.338
2016	7484670873921.273
2017	7650706149117.514
2018	7793880464570.661
2019	7912903551466.106
2020	7349801628658.066
2021	7691527535962.569
2022	8004040953413.411
2023	8030568112869.96