Year	current US$
1970	151009090.9090909
1971	191542045.45454547
1972	237560616.36075237
1973	367403750.1386887
1974	423194597.2986493
1975	400015614.8340924
1976	512008014.49195814
1977	678022828.9837582
1978	737779867.9502785
1979	794629608.6216676
1980	967375771.2189428
1981	939875280.3078542
1982	800115289.6409343
1983	686337570.6442108
1984	709271464.0449051
1985	674986785.5843614
1986	954831355.4332647
1987	1179493008.8010507
1988	1321268958.943599
1989	1289252355.290331
1990	1421089702.455914
1991	1417293881.1416988
1992	1398849005.7501924
1993	1353168119.2606268
1994	1458086608.7921262
1995	1541649732.50046
1996	1578133368.4210527
1997	1683288220.8836417
1998	1829718891.2361205
1999	1711439324.9215803
2000	1629368067.5689428
2001	1815580921.0404766
2002	1994954708.4551127
2003	2095800883.8597817
2004	2659005452.2115865
2005	2888082315.974323
2006	3379047093.1889424
2007	4456985512.450237
2008	4326004225.2288
2009	3073917447.9773273
2010	3266616177.0934877
2011	3541391751.7823915
2012	3213245767.8270054
2013	3737082965.2835846
2014	4216100309.124617
2015	4710178854.752565
2016	5763645596.396013
2017	6485480416.462201
2018	6713856964.935652
2019	6228927436.584315
2020	4319632893.148614
2021	5452790952.565393
2022	6920929814.026987
2023	7549397295.441436