Year	current US$
1971	39999.9991059303
1972	50000.0007450581
1973	50000.0007450581
1974	79999.9982118607
1975	180000.00715255702
1976	1750000
1977	1740000.0095367401
1978	740000.009536743
1979	1220000.02861023
1980	1649999.97615814
1981	1539999.96185303
1982	1370000.00476837
1983	870000.004768372
1984	1149999.97615814
1985	1940000.0572204601
1986	1960000.03814697
1987	2579999.92370605
1988	6739999.771118159
1989	7329999.92370605
1990	11090000.1525879
1991	7309999.94277954
1992	8630000.11444092
1993	11890000.3433228
1994	6559999.94277954
1995	13449999.8092651
1996	12260000.2288818
1997	16510000.2288818
1998	21350000.3814697
1999	13140000.3433228
2000	10550000.1907349
2001	21149999.6185303
2002	20639999.3896484
2003	16979999.5422363
2004	20920000.0762939
2005	26420000.0762939
2006	20000000
2007	25219999.3133545
2008	27420000.0762939
2009	28350000.3814697
2010	20940000.5340576
2011	18569999.6948242
2012	6369999.88555908
2013	2920000.07629395
2014	90000.0035762787
2015	0
2016	980000.019073486
2017	509999.99046325695
2018	180000.00715255702
2019	239999.994635582
2020	230000.004172325