Year	current US$
1976	100853677.1757925
1977	117857037.4109463
1978	166259458.93767637
1979	254201043.280506
1980	345275223.413913
1981	391286104.45831
1982	449319178.202492
1983	494644574.1866189
1984	564425528.423841
1985	603540285.857271
1986	773724503.704496
1987	1006866431.3593291
1988	1209740932.568459
1989	1397826871.8434641
1990	1760173215.7725792
1991	1567517927.9480019
1992	2216668090.934925
1993	2045012935.4640782
1994	2397849615.291629
1995	3101541671.6245713
1996	3046677514.213947
1997	3021615212.377051
1998	3297345776.1759243
1999	3654863658.611721
2000	3798144880.4292607
2001	4066760489.3567314
2002	4080144892.282224
2003	4750937586.25951
2004	5478096396.604479
2005	5676331305.644004
2006	6188726180.288553
2007	7799539400.074281
2008	10653315666.3432
2009	9121693231.133501
2010	9201281918.843504
2011	10284229683.011105
2012	9651065008.977089
2013	10829722605.424496
2014	11509523950.685875
2015	10480980276.705853
2016	11743797363.439209
2017	13670980323.732567
2018	14557286647.575542
2019	16207281386.461582
2020	16838293145.780912
2021	21805473557.366642
2022	22770215719.485374
2023	23940341556.989185