Year	current US$
1961	1639999.98569489
1967	319999.99284744303
1974	9999.99977648258
1975	250000
1976	449999.988079071
1978	9999.99977648258
1979	460000.00834465
1980	500000
1981	250000
1982	230000.004172325
1983	449999.988079071
1986	300000.011920929
1988	19999.9995529652
1990	100000.00149011599
1991	939999.997615814
1992	129999.995231628
1993	419999.986886978
1994	230000.004172325
1995	19999.9995529652
1996	79999.9982118607
1997	430000.00715255697
1998	1669999.95708466
1999	152820007.32421902
2000	231270004.272461
2001	194169998.168945
2002	219050003.05175802
2003	175029998.779297
2004	161240005.493164
2005	184619995.117188
2006	209139999.38964802
2007	276709991.455078
2008	266570007.324219
2009	208589996.33789098
2010	289950012.207031
2011	275720001.220703
2012	283640014.64843804
2013	258570007.324219
2014	249539993.28613302
2015	212289993.28613302
2016	223699996.94824198
2017	231960006.71386698
2018	207649993.89648402
2019	229899993.89648402
2020	249949996.94824198
2021	255339996.33789098
2022	223559997.55859402