Year	current US$
1960	300000.011920929
1961	5000000
1962	9000000
1963	4000000
1964	6000000
1965	9189999.5803833
1966	9149999.61853027
1967	10600000.3814697
1968	11420000.076293899
1969	8000000
1970	9000000
1971	10000000
1972	7000000
1973	9000000
1974	10000000
1975	33000000
1976	33000000
1977	30000000
1978	16000000
1979	10000000
1980	28000000
1981	30000000
1982	24000000
1983	20000000
1984	22000000
1985	20000000
1986	8000000
1987	1000000
1988	15000000
1989	6000000
1990	39000000
1991	35000000
1992	27000000
1993	24000000
1994	24000000
1995	18000000
1996	13000000
1997	13000000
1998	29379999.1607666
1999	26450000.762939498
2000	24520000.4577637
2001	25909999.8474121
2002	85379997.253418
2003	75160003.6621094
2004	89489997.8637695
2005	93690002.44140631
2006	121580001.831055
2007	166889999.38964802
2008	246949996.94824198
2009	283649993.89648396
2010	455730010.986328
2011	532250000
2012	561780029.296875
2013	734880004.882813
2014	509010009.765625
2015	452549987.792969
2016	500010009.765625
2017	597020019.53125
2018	658669982.910156
2019	464559997.558594
2020	605549987.792969
2021	506859985.35156304
2022	429450012.207031