Year	current US$
1967	2339999.91416931
1968	1960000.03814697
1969	430000.00715255697
1970	1049999.95231628
1972	1990000.0095367401
1973	939999.997615814
1974	600000.023841858
1975	2440000.05722046
1976	340000.00357627904
1977	479999.989271164
1978	1179999.94754791
1979	2599999.90463257
1980	1289999.96185303
1981	2589999.91416931
1982	2470000.02861023
1983	3190000.05722046
1984	1799999.95231628
1985	2319999.9332428
1986	1529999.97138977
1987	2410000.08583069
1988	22030000.6866455
1989	3950000.04768372
1990	7050000.19073486
1991	11600000.3814697
1992	1929999.94754791
1993	6269999.98092651
1994	5190000.05722046
1995	5250000
1996	2210000.03814697
1997	4079999.92370605
1998	10420000.076293899
1999	6840000.15258789
2000	12380000.1144409
2001	7860000.1335144
2002	9630000.11444092
2003	12649999.6185303
2004	26500000
2005	45490001.6784668
2006	47529998.779296905
2007	68110000.6103516
2008	64980003.356933594
2009	54650001.5258789
2010	59119998.9318848
2011	86790000.9155273
2012	32849998.4741211
2013	22280000.6866455
2014	21899999.6185303
2015	23000000
2016	23850000.3814697
2017	26139999.3896484
2018	38479999.5422363
2019	42459999.0844727
2020	64379997.253418
2021	80989997.8637695
2022	45490001.6784668