Year	current US$
1970	1379999.99523163
1971	20639999.3896484
1972	-4739999.771118159
1973	7090000.15258789
1974	-6429999.82833862
1975	-7269999.98092651
1976	8279999.73297119
1977	-3920000.07629395
1978	379999.99523162795
1979	219999.998807907
1980	569999.992847443
1981	509999.99046325695
1982	20579999.9237061
1983	2019999.9809265102
1984	17870000.8392334
1985	22219999.3133545
1986	19250000
1987	-259999.990463257
1988	300000.011920928
1989	-1039999.9618530199
1990	99819999.45640561
1991	391630010.60485846
1992	279640002.22086895
1993	83940000.83021817
1994	52579999.44500621
1995	69580000.84385268
1996	111560000.85175037
1997	35899999.25717708
1998	28989999.614655998
1999	121859997.11975458
2000	270289995.6367906
2001	67530002.02216208
2002	36650000.62435869
2003	58819999.26455318
2004	33420000.04276635
2005	27299999.30411576
2006	181559992.484748
2007	49770001.54554848
2008	68680002.27399175
2009	52950001.57132745
2010	62169999.297708236
2011	65879997.35400079
2012	34550000.05662442
2013	14440000.23417174
2014	17760000.020265568
2015	33770000.11503694
2016	90689998.1554598
2017	95859999.2301315
2018	94669998.18757181
2019	66339999.455958635
2020	62030001.19514758
2021	47929999.91215771
2022	437730000.3245472