Year	current US$
1960	8009999.999776483
1961	9000000
1962	7019999.999552965
1963	7029999.999329448
1964	7060000.000521541
1965	7310000.108554961
1966	11469999.920576857
1967	10319999.65757127
1968	10379999.771714246
1969	15219999.993219972
1970	21600000.00335276
1971	14069999.987259507
1972	9580000.0410527
1973	23930000.167340048
1974	23829999.865964055
1975	18400000.041350722
1976	18570000.076666474
1977	18730000.080540773
1978	26819999.985396862
1979	79539999.85754494
1980	131219999.83489512
1981	69329999.75979324
1982	84159998.05554748
1983	79799999.38234688
1984	86340000.94048685
1985	79879999.17566776
1986	113650000.79572189
1987	125399999.50677152
1988	198320000.98004937
1989	221929999.9866633
1990	304099999.9716877
1991	719379997.3018467
1992	513440000.2602488
1993	294889998.8010526
1994	440100000.69439465
1995	523969997.1992527
1996	807910011.8353962
1997	292530000.1166761
1998	354810005.5437536
1999	350249999.5082617
2000	368839995.1905011
2001	745899997.1374872
2002	323250004.93973494
2003	578679996.7959528
2004	917919992.4319983
2005	563839997.4703794
2006	479070001.9448997
2007	622539996.8326093
2008	578099998.6529359
2009	521269992.61789066
2010	411969998.5366317
2011	374859999.7386337
2012	278560002.6529283
2013	240809998.12111264
2014	193209998.92055982
2015	198489997.33477837
2016	234839998.15955758
2017	205310003.16329312
2018	224309999.86827362
2019	203840000.6201118
2020	198700001.56573948
2021	222879998.5740335
2022	156259999.71292907