Year	current US$
1970	3279999.97138977
1971	5320000.17166138
1972	519999.980926514
1973	5280000.20980835
1974	4130000.11444092
1975	4769999.98092651
1980	1279999.97138977
1981	18290000.915527303
1982	6210000.03814697
1983	70000.0002980232
1984	170000.00178813902
1985	-1549999.95231628
1986	-1279999.97138977
1987	-810000.002384186
1988	-910000.026226044
1989	-1769999.98092651
1990	12259999.87125399
1991	106770002.98351048
1992	219999998.01814532
1993	30079999.84547499
1994	33969999.96714287
1995	220659994.95424324
1996	168849993.46733052
1997	157609996.92231417
1998	162780002.18421245
1999	207030002.47478446
2000	175870001.53027487
2001	179870000.69394726
2002	119839997.46665366
2003	126970000.49054629
2004	115510000.5082785
2005	50330000.8662045
2006	74069998.81751837
2007	51130000.12934211
2008	37349998.915568024
2009	29409999.296069164
2010	21670000.856742315
2011	27070000.9334832
2012	69159996.37171623
2013	25800000.05848711
2014	248620004.86441007
2015	244419993.81408066
2016	51830000.73768204
2017	39769998.766481906
2018	32089999.05176465
2019	-104770002.94253248
2020	-106839999.325573
2021	46099998.457357295
2022	2222639912.009244