Year	current US$
1976	3578987472.14234
1977	3956742136.576492
1978	5049732100.068459
1979	6081872380.562314
1980	7456921343.309244
1981	7422001351.876415
1982	6345627295.247633
1983	5894851163.089295
1984	5692731617.455887
1985	5535583494.800945
1986	5508327995.505631
1987	6301369671.273407
1988	6866162037.951812
1989	8024858220.626343
1990	9473927848.276588
1991	9087505463.544392
1992	9778878418.047718
1993	10163422862.751093
1994	10207170111.449238
1995	11658394595.241177
1996	12816599377.603539
1997	13634661540.990538
1998	14326023258.376316
1999	15535353355.19729
2000	15366979300.19838
2001	15960560454.42652
2002	17546179652.537453
2003	23343543057.623943
2004	27287119472.52125
2005	28604702399.93757
2006	33776006565.59479
2007	37851094596.57608
2008	39726152176.22676
2009	37470507617.876595
2010	44001590452.57897
2011	49615221846.3381
2012	54007753513.562355
2013	53878525695.94443
2014	55288771586.86944
2015	56421863539.95626
2016	55644894945.90531
2017	62178625145.56337
2018	68048405366.971756
2019	70126081426.91438
2020	45223607336.209625
2021	53617868441.26832
2022	67411253809.24211