Year	current US$
1970	2700000.04768372
1971	6699999.80926514
1972	4369999.88555908
1973	-2599999.90463257
1974	3549999.95231628
1975	610000.014305115
1976	899999.976158142
1977	1100000.02384186
1978	2299999.95231628
1979	-3000000
1980	33200000.7629395
1981	17850000.3814697
1982	21739999.7711182
1983	16379999.160766602
1984	4550000.19073486
1985	800000.011920929
1986	7949999.80926514
1987	10369999.8855591
1988	19870000.8392334
1989	37389999.3896484
1990	67140000.10490417
1991	96609997.98774719
1992	111489999.00370836
1993	371960007.6284263
1994	356130009.6195193
1995	365710015.9022963
1996	436459992.12935555
1997	315719999.73058665
1998	404339995.5127391
1999	424209999.49053013
2000	309539996.94064295
2001	282510004.73834527
2002	370060002.9975182
2003	542670005.2767993
2004	370940002.62022024
2005	117969998.89612192
2006	223660001.15871373
2007	215249996.54293054
2008	426709989.33911335
2009	275459993.7200551
2010	175220000.20742404
2011	333650005.3107743
2012	54200000.51707028
2013	55859998.330473855
2014	275850007.93635875
2015	17299998.641014144
2016	240729999.7657533
2017	508720009.1928242
2018	372180008.59022117
2019	469720008.9693067
2020	775359993.3907385
2021	459589993.5811755
2022	1394570014.1787539