Year	current US$
1972	2200000.04768372
1974	1659999.9666214
1975	3380000.1144409203
1976	39999.9991059303
1977	560000.002384186
1978	400000.00596046395
1979	-300000.011920929
1980	300000.011920929
1981	-109999.999403954
1982	1600000.02384186
1983	15020000.4577637
1984	17010000.2288818
1985	15930000.3051758
1986	6900000.09536743
1987	8140000.34332275
1988	6369999.88555908
1989	3150000.09536743
1990	2490000.00953674
1991	-779999.971389771
1992	1429999.94754791
1993	1299999.95231628
1994	5860000.1335144
1995	12949999.8092651
1996	3470000.02861023
1997	860000.014305115
1998	-1830000.04291534
1999	-2039999.96185303
2000	-2759999.99046326
2001	-3289999.96185303
2002	-2710000.03814697
2003	-3500000
2004	-2410000.08583069
2005	-4170000.07629395
2006	-2960000.03814697
2007	-4760000.228881841
2008	-9220000.26702881
2009	-50000.0007450581
2010	1019999.98092651
2011	1970000.02861023
2012	1370000.00476837
2013	2150000.09536743
2014	4340000.15258789
2015	5159999.84741211
2016	5329999.92370605
2017	5630000.11444092
2018	9979999.54223633
2019	4369999.88555908
2020	5010000.228881841
2021	5119999.88555908
2022	3789999.96185303