Year	current US$
1968	870000.004768372
1969	1830000.04291534
1970	1940000.0572204601
1971	1919999.95708466
1972	2339999.91416931
1973	2119999.8855590797
1974	1899999.97615814
1975	2299999.95231628
1976	970000.028610229
1977	1789999.96185303
1978	3089999.91416931
1979	4179999.8283386203
1980	4349999.90463257
1981	3779999.97138977
1982	3779999.97138977
1983	2079999.9237060498
1984	1889999.98569489
1985	2200000.04768372
1986	2569999.9332428
1987	2359999.89509583
1988	2869999.8855590797
1989	1809999.9427795399
1990	1009999.99046326
1991	2039999.96185303
1992	1090000.0333786
1993	810000.002384186
1994	560000.002384186
1995	730000.019073486
1996	90000.0035762787
1997	490000.009536743
1998	1000000
1999	180000.00715255702
2000	360000.01430511504
2001	159999.99642372102
2002	280000.001192093
2003	379999.99523162795
2004	469999.998807907
2005	529999.971389771
2006	469999.998807907
2007	490000.009536743
2008	550000.011920929
2009	639999.985694885
2010	600000.023841858
2011	479999.989271164
2012	213213.056325912
2013	95692.9996609688
2014	371662.050485611
2015	341693.162918091
2016	274521.678686142
2017	140899.389982224
2018	148211.896419525
2019	63110.0013852119
2020	357700.318098068
2021	531993.925571442
2022	1285444.73648071