Year	current US$
1970	92640002.13518742
1971	131189997.80155765
1972	119150002.39945923
1973	160499999.3778761
1974	181349996.1942438
1975	95600002.54213816
1976	30729998.869821467
1977	93820001.75677241
1978	70669997.1687049
1979	56820000.266656294
1980	81300003.06479631
1981	308409988.09970945
1982	13460000.142455092
1983	-1119999.9563396014
1984	-18200002.718716867
1985	4970000.000670552
1986	3449999.641627053
1987	20839999.403804507
1988	27360000.045970052
1989	56329998.92905362
1990	53099998.95840887
1991	69029999.21143052
1992	51970001.02698806
1993	29830000.368878223
1994	-56319996.49852516
1995	110619999.37891969
1996	-52200002.299621545
1997	-58320002.86132128
1998	62589999.03500065
1999	-2030000.6717443955
2000	-114039997.80118436
2001	11660000.29444692
2002	34069998.21215871
2003	-331779986.2995746
2004	15250000.443309605
2005	31960000.514984116
2006	28319999.42287802
2007	13779999.606311323
2008	24180000.67211686
2009	71349998.39216472
2010	71799998.28338623
2011	128999997.8244305
2012	17770000.338554375
2013	16200000.137090687
2014	121809998.27384917
2015	29839999.58634376
2016	379019989.22228813
2017	57010000.92923641
2018	98810000.36001208
2019	37079999.26805499
2020	17039999.90224831
2021	-640000.0751018561
2022	712729995.310307