Year	current US$
1971	39999.9991059303
1972	109999.999403954
1973	150000.005960464
1974	529999.971389771
1975	790000.021457672
1976	889999.985694885
1977	330000.013113022
1978	519999.980926514
1979	449999.988079071
1980	800000.011920929
1981	550000.011920929
1982	150000.005960464
1983	219999.998807907
1984	1639999.98569489
1985	879999.995231628
1986	90000.0035762787
1987	639999.985694885
1988	1200000.04768372
1989	660000.026226044
1990	540000.021457672
1991	79999.9982118607
1992	-90000.0035762787
1993	-170000.00178813902
1994	-29999.999329447703
1995	29999.999329447703
1996	180000.00715255702
1997	660000.026226044
1998	1840000.0333786
1999	2549999.95231628
2000	-90000.0035762787
2001	990000.009536743
2002	1149999.97615814
2003	1799999.95231628
2004	6500000
2005	1559999.9427795399
2006	389999.98569488496
2007	-300000.011920929
2008	639999.985694885
2009	1720000.02861023
2010	1139999.98569489
2011	1610000.01430511
2012	1730000.01907349
2013	1990000.0095367401
2014	1149999.97615814
2015	1070000.05245209
2016	699999.988079071
2017	1100000.02384186
2018	2470000.02861023
2019	1210000.03814697
2020	259999.990463257
2021	419999.986886978
2022	300000.011920929