Year	constant 2015 US$
1960	2170791823.959167
1961	2347754363.4795585
1962	2624218498.8754225
1963	2885254177.649154
1964	3146820956.435979
1965	3456983390.605075
1966	3555847666.491832
1967	3942939944.090285
1968	3925519862.149098
1969	3987446128.9937983
1970	4023109497.923448
1971	4105483116.959426
1972	4168524693.8856072
1973	4433410848.091707
1974	4762055564.228161
1975	5008406326.344106
1976	5240815711.969061
1977	5648063236.792081
1978	5309486949.492949
1979	3869780911.0103316
1980	4558405246.82275
1981	3913649775.8576493
1982	3410405915.4345374
1983	3218864679.366951
1984	3055870071.4326863
1985	2809678639.3476667
1986	2578172123.8529463
1987	2505305195.807197
1988	3597788638.099949
1989	3394881290.721598
1990	2878085468.021828
1991	3871392922.477671
1992	4128627899.0736227
1993	4007064276.758987
1994	4100314004.363453
1995	4249133334.8602276
1996	4439027305.489917
1997	4697106741.889813
1998	4946501087.913489
1999	5115240722.267195
2000	5411498193.962136
2001	5673402818.393148
2002	5921256015.826347
2003	6019504150.735293
2004	6135740451.054373
2005	6344101466.152187
2006	6525046044.416474
2007	6835961772.053923
2008	7055971598.860539
2009	7175424787.034683
2010	7392330180.702311
2011	7585952325.827519
2012	7895113373.86467
2013	8197525654.2083645
2014	8544614776.682729
2015	8993205365.26665
2016	9505504320.87678
2017	9762092468.58192
2018	9317011239.198597
2019	9150046726.462532
2020	9120352148.611332
2021	9928922005.964113
2022	10519844105.202988
2023	11262416259.865904