Year	constant 2015 US$
1966	1492178339.7456915
1967	2074065884.6993527
1968	1923627300.3794937
1969	2817369031.8884115
1970	3994050960.5369306
1971	4055364689.888371
1972	3342267211.534596
1973	3520073451.195099
1974	4641592835.110272
1975	6069959225.979681
1976	7169402240.819862
1977	8983906128.603458
1978	6171567763.775503
1979	6111412051.2263565
1980	6771006241.916177
1981	6227589901.54612
1982	6813708111.500607
1983	5722721334.441271
1984	6856136898.478657
1985	7417032150.369255
1986	7435930297.623497
1987	7129373983.418151
1988	7582701839.640228
1989	9023208477.393478
1990	9180228140.987072
1991	9424807987.699806
1992	9555617048.637346
1993	9185176162.068806
1994	9259382775.397934
1995	9990056681.576532
1996	10422313898.62685
1997	11190426446.118444
1998	13202501474.280684
1999	12935992434.042166
2000	13170437297.332926
2001	14406465754.387133
2002	15152317600.443792
2003	17976148109.768375
2004	19663220846.0078
2005	19484460030.708183
2006	21102271342.95782
2007	23925585264.652874
2008	29398688141.95288
2009	28614137077.588856
2010	28116172673.673046
2011	31007651319.82941
2012	30718604921.057384
2013	32254742079.044357
2014	31546156286.04633
2015	33319787455.34264
2016	36014026415.09456
2017	37102381409.330574
2018	39051620668.40203
2019	38969503438.52079
2020	34327465865.26287
2021	39081935104.978325
2022	36546945863.77565
2023	39028592692.3475