Year	constant 2015 US$
1960	4356882866.478756
1961	4500814432.285146
1962	4307447404.792608
1963	4441316885.37553
1964	4727867570.849721
1965	4840737917.280496
1966	4731550174.162073
1967	5412280667.895976
1968	5456280116.797684
1969	5648325624.290688
1970	5876788824.46813
1971	6928884539.767052
1972	6690542697.440554
1973	6401315104.079347
1974	6142935763.178603
1975	8268217310.745468
1976	8639756758.803423
1977	9428212945.00263
1978	10300576610.196266
1979	9947330943.89584
1980	10182539613.12445
1981	10044714842.11833
1982	10047235318.716011
1983	8503176255.334266
1984	8545190974.104032
1985	9215376409.353424
1986	9686561796.267069
1987	10230964414.946556
1988	9313487703.183935
1989	9465799407.077085
1990	9295211344.075691
1991	9408083977.519606
1992	9866982041.019438
1993	8995080076.032026
1994	9691594038.137875
1995	9432901089.549862
1996	8981698029.487661
1997	9992616765.070328
1998	11083244121.167849
1999	7742689228.799921
2000	8605506734.068516
2001	11300594103.233084
2002	13485740199.660421
2003	10215681210.122644
2004	10472406904.61405
2005	12943468763.175453
2006	14483199155.522938
2007	15179073242.004751
2008	20316424568.072388
2009	18177515302.56869
2010	20511922540.86053
2011	22506093953.100105
2012	21248383499.861233
2013	24726373508.005486
2014	25900032179.253387
2015	22053384000
2016	11545978357.457819
2017	22584668329.71943
2018	22354596081.009724
2019	20731258669.034668
2020	15478808933.42643
2021	20183195171.647095
2022	22137391490.30333
2023	22066813608.790268