Year	current US$
1968	379999.99523162795
1969	500000
1970	479999.989271164
1971	419999.986886978
1972	709999.978542328
1973	1049999.95231628
1974	1460000.03814697
1975	1960000.03814697
1976	1519999.98092651
1977	839999.973773956
1978	740000.009536743
1979	629999.995231628
1980	1570000.05245209
1981	1799999.95231628
1982	1399999.97615814
1983	1269999.98092651
1984	980000.019073486
1985	1220000.02861023
1986	949999.988079071
1987	1399999.97615814
1988	1529999.97138977
1989	1460000.03814697
1990	589999.973773956
1991	1250000
1992	1129999.99523163
1993	579999.983310699
1994	1169999.95708466
1995	819999.992847443
1996	779999.971389771
1997	680000.007152557
1998	720000.028610229
1999	379999.99523162795
2000	280000.001192093
2001	250000
2002	150000.005960464
2003	479999.989271164
2004	400000.00596046395
2005	479999.989271164
2006	519999.980926514
2007	699999.988079071
2008	1220000.02861023
2009	1250000
2010	1210000.03814697
2011	500000
2012	586163.9380455021
2013	564445.018768311
2014	961879.6706199651
2015	614954.948425293
2016	753584.384918213
2017	436397.254467011
2018	338516.265153885
2019	717660.009860992
2020	1199937.34359741
2021	1397266.74556732
2022	1218095.77941895