Year	current US$
1965	650000.004097819
1966	859999.9975413079
1967	890000.004321337
1968	1129999.99523163
1969	799999.997019768
1970	1499999.99441206
1971	1299999.9653548
1972	1429999.98852611
1973	1970000.00812113
1974	4680000.07607043
1975	11289999.9711663
1976	3079999.97213483
1977	10280000.0179559
1978	12359999.9025464
1979	14629999.8965114
1980	21830000.124871697
1981	37510000.0780076
1982	53740000.5254895
1983	49519999.012351
1984	48079999.1823733
1985	36820000.4789978
1986	29409999.9200553
1987	35009999.2398173
1988	41750000.4004687
1989	66389999.01525681
1990	72100000.7018447
1991	46979999.603703596
1992	66049999.544397
1993	51680000.2772361
1994	66610000.0031292
1995	60510001.0056049
1996	60639999.4157255
1997	49369999.2243201
1998	36279999.7664988
1999	33280000.211671002
2000	34139999.5535612
2001	22700000.0663102
2002	25719999.8330325
2003	36110000.1595914
2004	49459999.2074072
2005	53640000.1458824
2006	52430000.3573298
2007	73949999.153614
2008	69619999.2522597
2009	93650000.1773238
2010	185599999.39613
2011	342460000.90614
2012	380920002.240688
2013	311700002.243742
2014	179449998.313561
2015	101759998.613968
2016	76359999.7311831
2017	153619999.697432
2018	74180000.6963313
2019	74120000.2338737
2020	56240001.1811405
2021	52670000.5084276
2022	50909999.77849426