Year	current US$
1973	29999.999329447703
1974	59999.9986588955
1975	39999.9991059303
1976	19999.9995529652
1978	9999.99977648258
1979	9999.99977648258
1982	9999.99977648258
1983	9999.99977648258
1984	19999.9995529652
1985	29999.999329447703
1986	230000.004172325
1987	300000.011920929
1988	360000.01430511504
1989	230000.004172325
1990	239999.994635582
1991	300000.011920929
1992	150000.005960464
1993	79999.9982118607
1994	39999.9991059303
1995	259999.990463257
1996	250000
1997	360000.01430511504
1998	449999.988079071
1999	330000.013113022
2000	219999.998807907
2001	319999.99284744303
2002	1370000.00476837
2003	1460000.03814697
2004	1669999.95708466
2005	239999.994635582
2006	270000.010728836
2007	589999.973773956
2008	-19999.9995529652
2009	1370000.00476837
2010	1379999.99523163
2011	1509999.9904632599
2012	1409999.9666214
2013	1370000.00476837
2014	1059999.9427795399
2015	529999.971389771
2016	469999.998807907
2017	449999.988079071
2018	479999.989271164
2019	349999.99403953605
2020	189999.99761581398
2021	239999.994635582
2022	449999.988079071