Year	current US$
1975	740376826.872268
1976	622524834.697084
1977	787517386.3429598
1978	1021800625.0174168
1979	1476909203.821368
1980	1892327604.206965
1981	1813961110.108031
1982	1490001772.8786714
1983	1426514438.7892644
1984	1606446970.9287848
1985	1894681262.1893685
1986	2375011345.8157816
1987	3121394199.191393
1988	3369044817.650721
1989	3705332766.5716147
1990	5053700806.979207
1991	5169985738.683257
1992	5432639914.928282
1993	6926459244.773588
1994	6885920769.224834
1995	8343565212.761015
1996	8070685169.383117
1997	7846547984.13344
1998	9039649125.492168
1999	9179427487.3994
2000	9202157598.322704
2001	9331703103.00529
2002	10213072045.158354
2003	12155752694.808775
2004	14533761927.52523
2005	14936757358.921562
2006	18404762500.649895
2007	23427344007.26485
2008	26231760066.184048
2009	22900597895.35698
2010	22827691207.359272
2011	26688312331.385113
2012	25260150503.039497
2013	28896241442.41031
2014	30402684143.55395
2015	27481382207.635765
2016	29289336327.660343
2017	34872701546.508286
2018	39184428475.15554
2019	39788162474.64779
2020	25326059182.41491
2021	31931861660.8948
2022	46427748543.87186
2023	55725231933.9591