Year	current US$
1968	189999.99761581398
1969	19999.9995529652
1970	59999.9986588955
1971	39999.9991059303
1972	70000.0002980232
1973	109999.999403954
1974	159999.99642372102
1975	379999.99523162795
1976	479999.989271164
1977	430000.00715255697
1978	439999.997615814
1979	759999.990463257
1980	850000.023841858
1981	829999.983310699
1982	970000.028610229
1983	1429999.94754791
1984	1299999.95231628
1985	689999.997615814
1986	1190000.0572204601
1987	1909999.9666214
1988	910000.026226044
1989	1600000.02384186
1990	1509999.9904632599
1991	1710000.03814697
1992	2160000.08583069
1993	1600000.02384186
1994	990000.009536743
1995	519999.980926514
1996	579999.983310699
1997	839999.973773956
1998	569999.992847443
1999	479999.989271164
2000	750000
2001	370000.00476837205
2002	479999.989271164
2003	740000.009536743
2004	699999.988079071
2005	1250000
2006	790000.021457672
2007	1139999.98569489
2008	689999.997615814
2009	1289999.96185303
2010	790000.021457672
2011	860000.014305115
2012	936305.403709412
2013	552613.9736175541
2014	584049.940109253
2015	411768.37682724
2016	487808.19773674
2017	354389.786720276
2018	357209.622859955
2019	402850.0020504
2020	355447.053909302
2021	556792.974472046
2022	603048.324584961