Year	current US$
1968	509999.99046325695
1969	79999.9982118607
1970	200000.00298023198
1971	180000.00715255702
1972	219999.998807907
1973	200000.00298023198
1974	180000.00715255702
1975	250000
1976	239999.994635582
1977	280000.001192093
1978	189999.99761581398
1979	579999.983310699
1980	779999.971389771
1981	1059999.9427795399
1982	620000.004768372
1983	509999.99046325695
1984	349999.99403953605
1985	379999.99523162795
1986	600000.023841858
1987	980000.019073486
1988	1220000.02861023
1989	930000.007152557
1990	720000.028610229
1991	400000.00596046395
1992	879999.995231628
1993	689999.997615814
1994	469999.998807907
1995	300000.011920929
1996	209999.993443489
1997	610000.014305115
1998	1029999.97138977
1999	1120000.00476837
2000	550000.011920929
2001	1080000.04291534
2002	319999.99284744303
2003	239999.994635582
2009	400000.00596046395
2010	889999.985694885
2011	1919999.95708466
2012	1775701.99966431
2013	1237633.94355774
2014	974220.57390213
2015	908300.697803497
2016	806088.447570801
2017	594914.436340332
2018	576721.131801605
2019	751855.790615082
2020	578621.387481689
2021	722632.884979248
2022	773644.089698792