Year	constant 2015 US$
1961	12533092837.198633
1962	14324208845.130306
1963	16582182158.387527
1964	18012911030.477413
1965	20650378558.640533
1966	21021009851.32995
1967	21358031101.328274
1968	22083639694.22084
1969	24588738903.56631
1970	26852582464.00588
1971	28810942965.191498
1972	31868305821.221382
1973	35781688839.9007
1974	36645881307.45105
1975	36826132426.8149
1976	42778793275.487495
1977	47794861941.36079
1978	51743121134.47641
1979	57722946264.22811
1980	63557741757.71003
1981	69443758035.43008
1982	71492244096.29762
1983	75765323633.50316
1984	83321943197.58786
1985	83952822115.36136
1986	93234718836.6267
1987	105726719943.54889
1988	114725693771.20224
1989	117337953767.34706
1990	121832606359.96475
1991	128779410834.40085
1992	136808642848.10753
1993	145292416158.3454
1994	154062450345.88718
1995	157719499237.60397
1996	164436097940.18332
1997	172821918694.49615
1998	162655341191.9852
1999	166732630720.22653
2000	179510086984.25113
2001	180516776824.58084
2002	183507380006.77228
2003	189115883226.519
2004	205569150152.66672
2005	220756860848.0318
2006	236281938102.05298
2007	251557126990.72363
2008	256910216906.5952
2009	250592564806.6437
2010	267551824019.3326
2011	280433678600.8943
2012	285201930753.3638
2013	294047587536.9605
2014	302170283094.0411
2015	309385622601.3481
2016	316116033650.2388
2017	328116085022.70306
2018	337457259730.2215
2019	331813535027.38074
2020	310097073539.2715
2021	330111969064.7014
2022	317961363117.4428
2023	328183995725.4009