Year	current US$
1970	4920000.07629395
1971	-579999.9739974734
1972	139999.9987334018
1973	29999.999329447783
1974	400000.0096857546
1975	159999.9442696534
1976	1530000.0179558988
1977	1890000.0043213381
1978	9159999.692812564
1979	13020000.3497303
1980	69400000.65416102
1981	44400000.628083974
1982	20670000.927522738
1983	23729999.683797345
1984	15979999.931529181
1985	9239999.93689358
1986	2879999.9319016943
1987	-1770000.0926852208
1988	22500000.625848792
1989	54599998.248741016
1990	59219999.6244162
1991	41760001.55508517
1992	-73849998.66411087
1993	-49859998.98239967
1994	-54640000.1142174
1995	29160000.352188952
1996	27269999.602809574
1997	18680000.41134653
1998	21619999.956339575
1999	15699999.870732417
2000	23270000.71108341
2001	22449999.92288649
2002	9600000.003352758
2003	10230000.10289252
2004	12429999.895393847
2005	18749999.970197678
2006	19110000.342130646
2007	29399999.599903803
2008	36989999.89219007
2009	24010000.16368928
2010	25550000.306218877
2011	34539999.82029198
2012	29629999.369382814
2013	68439998.36966394
2014	131869996.42848948
2015	27020000.755786896
2016	18450000.246986754
2017	23460000.21323562
2018	27849999.889731415
2019	20759999.938309193
2020	18240000.231191516
2021	24350000.124424707
2022	24479999.95015562