Year	current US$
1970	15249999.89755451
1971	31790000.254288256
1972	29279999.81492755
1973	35730000.21278859
1974	57379999.82759365
1975	64229999.99299645
1976	62809999.82729548
1977	39819999.66502188
1978	54770000.3497303
1979	69510000.43191017
1980	77590000.95911327
1981	86679998.75918038
1982	116159999.07813963
1983	108630002.2434443
1984	135359998.7775086
1985	171639999.6969849
1986	131589998.7109005
1987	181380000.2411008
1988	191909999.9014288
1989	212210005.00209633
1990	205870002.59943306
1991	227440002.31102103
1992	218840002.76215392
1993	168420000.10423362
1994	154359998.96377316
1995	144109998.91720715
1996	153790000.13135374
1997	139710000.10147688
1998	154169999.98688686
1999	143949999.88377103
2000	122599997.6415187
2001	121209999.42161134
2002	244530002.34253696
2003	411149997.5733462
2004	504029996.0970877
2005	957959995.3591825
2006	846830007.5829034
2007	1021980010.8671193
2008	1193390017.7665064
2009	986210002.3664532
2010	1439469998.4267366
2011	1237389982.3203676
2012	1160229998.7562006
2013	1028550000.6694353
2014	1190350006.6939747
2015	1195389988.3143609
2016	899660008.7564439
2017	1086330008.5868678
2018	1143149991.8010082
2019	883350004.3414531
2020	888489999.3017321
2021	1288969997.5848205
2022	3504349912.486975