Year	current US$
1970	6469999.942928553
1971	9200000.099837786
1972	12240000.057965519
1973	19440000.345930465
1974	24550000.203773346
1975	39600000.347942084
1976	48220000.214874715
1977	77629999.96356659
1978	85369999.9451637
1979	101389999.58336353
1980	106770000.86940813
1981	104569998.9199639
1982	137679998.90446666
1983	141439997.62833112
1984	113419997.7219104
1985	137319998.9814311
1986	204259998.77974388
1987	199700000.4164874
1988	244100005.0138682
1989	216989996.03278947
1990	293179999.55266756
1991	279049995.6980348
1992	320379997.24969274
1993	251400002.70307073
1994	273259999.5713681
1995	288870000.6939471
1996	292120001.1577455
1997	287229999.11010265
1998	283110000.7984787
1999	271320000.6950646
2000	254389999.84227124
2001	265329998.12439096
2002	400429999.6066839
2003	561089999.8471143
2004	545890000.399202
2005	635440004.9280376
2006	707020004.0712951
2007	854679990.0885671
2008	959219999.7641153
2009	805039999.1944431
2010	834419992.018491
2011	950489987.879991
2012	811369999.9004605
2013	905640005.1638484
2014	842320001.6953053
2015	611010000.0984966
2016	580799995.3068795
2017	640330001.9130112
2018	644799995.6384301
2019	607179997.2057343
2020	614909998.290241
2021	610449999.7496604
2022	610520001.5679002