Year	current US$
1971	19999.9995529652
1972	1090000.0333786
1973	4800000.19073486
1974	639999.985694885
1975	1519999.98092651
1976	70000.0002980232
1977	-59999.9986588955
1978	-230000.004172325
1979	-140000.000596046
1980	-100000.00149011599
1981	2349999.90463257
1982	1620000.00476837
1983	3079999.92370605
1984	2299999.95231628
1985	3210000.03814697
1986	1409999.9666214
1987	3569999.9332428
1988	6389999.8664856
1989	3509999.99046326
1990	2750000
1991	7469999.79019165
1992	3990000.00953674
1993	1990000.0095367401
1994	159999.99642372102
1995	2930000.0667572
1996	600000.023841858
1997	219999.998807907
1998	219999.998807907
1999	670000.016689301
2000	1200000.04768372
2001	1370000.00476837
2002	1600000.02384186
2003	1620000.00476837
2004	2039999.96185303
2005	2890000.10490417
2006	2000000
2007	2339999.91416931
2008	2930000.0667572
2009	2630000.1144409203
2010	3259999.99046326
2011	3549999.95231628
2012	3289999.96185303
2013	2960000.03814697
2014	2890000.10490417
2015	1789999.96185303
2016	1240000.0095367401
2017	519999.980926514
2018	699999.988079071
2019	479999.989271164
2020	409999.99642372096
2021	340000.00357627904
2022	500000