Year	current US$
1970	-1420000.0595301297
1971	-679999.9251961773
1972	-4889999.864622954
1973	22560000.72881582
1974	8379999.862983827
1975	8799999.967217447
1976	28100000.47460203
1977	1939999.9156594276
1978	519999.9324977417
1979	1270000.0200420625
1980	2419999.847188598
1981	8890000.060200691
1982	32030000.098049633
1983	40719999.59088863
1984	45039999.781176455
1985	74470000.53711227
1986	109679999.77245922
1987	255150004.852563
1988	319119998.94492304
1989	253410001.35429236
1990	303180004.4812262
1991	670670014.5862994
1992	895309991.8682127
1993	398489995.18714833
1994	296579992.32970166
1995	156950003.19927925
1996	132570000.51625066
1997	26779999.80933957
1998	33749999.85471363
1999	89399997.78196219
2000	204739995.14803252
2001	65740001.41024588
2002	4270000.839605932
2003	60189999.48166309
2004	58560000.233352154
2005	56599999.865517035
2006	252119990.26313394
2007	296690006.3958019
2008	124280002.03892593
2009	86850002.24784005
2010	102730000.87030225
2011	83579996.18910253
2012	39919998.98478386
2013	38200000.565499134
2014	60940000.79669059
2015	71419999.23437831
2016	47879999.803379215
2017	55920001.30563971
2018	92550000.47385693
2019	106990002.11246312
2020	141290000.91366473
2021	98030000.54694709
2022	153739998.12453982