Year	current US$
1970	11950000.112876307
1971	14970000.25957824
1972	14870000.170543795
1973	20190000.094473362
1974	31650000.683963265
1975	33370000.088587414
1976	19269999.56741928
1977	26229999.98740852
1978	40509999.837726355
1979	35160000.536590815
1980	36069999.689236246
1981	42649999.11002812
1982	55890000.86672602
1983	54569999.3818998
1984	85689999.69400474
1985	101260002.34484667
1986	94609999.70324326
1987	85370001.43155459
1988	108270000.1280755
1989	108120001.05157496
1990	119209999.5575845
1991	128300003.09459859
1992	132870000.8485466
1993	145739999.78415674
1994	183069999.75256628
1995	170340000.47110015
1996	132210000.89682645
1997	126510000.62003735
1998	104209997.65396115
1999	151760001.19931996
2000	115630001.6809255
2001	100170002.41018835
2002	90150000.38594005
2003	109510000.31083825
2004	142639999.98010695
2005	165099998.21707615
2006	147990000.46588483
2007	167520003.6410243
2008	166350002.2999943
2009	174230005.14693552
2010	275360004.97080415
2011	305639998.87369585
2012	328620000.7516891
2013	266849996.66921765
2014	278650005.1226469
2015	212859997.25013977
2016	142020000.9606778
2017	152220000.63955775
2018	151039998.98582694
2019	145890001.1088699
2020	122669999.44672
2021	326209994.30865014
2022	205059994.3026901