Year	constant 2015 US$
1960	50230111893.07784
1961	55449481809.50949
1962	59835129891.42806
1963	64048764751.82947
1964	69477043755.0745
1965	81312952502.02214
1966	90665899474.1237
1967	100868354617.31602
1968	115397616678.13818
1969	133303471246.14886
1970	147870343542.42987
1971	168130921386.2936
1972	192508250324.5513
1973	206834101390.7455
1974	218832652783.0558
1975	218118785129.56213
1976	257948225481.07214
1977	250793831043.1608
1978	218589754651.10107
1979	192313604302.95428
1980	150774540117.91513
1981	142185235365.3525
1982	175131325367.1996
1983	194547639520.83783
1984	180657228909.9107
1985	184031273523.71613
1986	166023987175.39664
1987	165738247130.19827
1988	155658052541.91513
1989	165203184384.63123
1990	187662435784.18008
1991	211525869690.37787
1992	218501954626.90295
1993	215287765784.54483
1994	211631563542.23166
1995	216712931669.50223
1996	230475342782.99698
1997	233587680138.032
1998	238446331402.2394
1999	243221687099.15112
2000	257439277645.81622
2001	263597669795.12204
2002	284893275521.91876
2003	309506055703.4063
2004	322928299537.1148
2005	333229079615.4554
2006	349889851374.19977
2007	378426075216.2671
2008	379375381822.3575
2009	383197154268.49115
2010	405414688824.633
2011	416140817897.54175
2012	400547308191.21265
2013	394451061454.5889
2014	414113559617.8686
2015	408212917874.9643
2016	444197240271.59406
2017	456450444446.1349
2018	448060850719.6697
2019	434302748072.1158
2020	448766282369.43634
2021	469947053431.5109
2022	487695221421.96594
2023	511846684554.5944