Year	current US$
1970	73160000.13425948
1971	81510001.41352415
1972	103060000.54068865
1973	121740002.28941442
1974	140969998.22929478
1975	167900001.22040492
1976	152259999.18021265
1977	177560001.18330175
1978	218640007.2947142
1979	274039999.16091514
1980	283290005.0636378
1981	230209999.3694578
1982	196069997.0219286
1983	164689999.23765665
1984	159990002.44773927
1985	179929999.4725735
1986	246540005.84594938
1987	251110003.45461103
1988	254749994.84606135
1989	200259998.768568
1990	286099999.057129
1991	203679998.23018903
1992	246609999.12209806
1993	203110000.3533065
1994	192290000.54299843
1995	176379999.5556473
1996	178810000.63009554
1997	200560003.27691442
1998	255770003.13811
1999	154010000.26240936
2000	181490000.69499016
2001	216259997.16855577
2002	331329995.52972627
2003	997030004.5162444
2004	498339988.5017425
2005	539709993.9025937
2006	775810006.2496967
2007	591270008.0908839
2008	563080004.4815992
2009	706950003.7226828
2010	1155639987.1408942
2011	743180000.061169
2012	731430003.665388
2013	529660000.5254146
2014	492289998.9131842
2015	396199996.05417234
2016	432319997.8955089
2017	432780004.4901674
2018	438779998.06031597
2019	400440003.68379015
2020	422600002.8532002
2021	494070000.94838375
2022	427959994.48187643