Year	current US$
1960	469999.998807907
1961	239999.994635582
1962	280000.001192093
1963	289999.99165535
1964	449999.988079071
1965	579999.983310699
1966	829999.983310699
1967	1090000.0333786
1968	2839999.91416931
1969	1759999.9904632599
1970	2170000.07629395
1971	2210000.03814697
1972	2160000.08583069
1973	2250000
1974	1799999.95231628
1975	2460000.03814697
1976	319999.99284744303
1978	5500000
1979	29999.999329447703
1985	39999.9991059303
1990	29999.999329447703
1991	189999.99761581398
1992	3400000.09536743
1993	5300000.19073486
1994	7090000.15258789
1995	6139999.8664856
1996	9140000.34332275
1997	15789999.961853001
1998	9159999.84741211
1999	11329999.923706101
2000	14560000.4196167
2001	11760000.2288818
2002	20000000
2003	23229999.5422363
2004	25290000.915527303
2005	28379999.1607666
2006	34360000.6103516
2007	28930000.3051758
2008	37590000.1525879
2009	35319999.6948242
2010	25000000
2011	32650001.5258789
2012	27850000.3814697
2013	22120000.8392334
2014	16250000
2015	19940000.5340576
2016	19610000.6103516
2017	14770000.4577637
2018	14319999.6948242
2019	13930000.3051758
2020	11319999.6948242
2021	11970000.2670288
2022	10560000.4196167