Year	current US$
1960	0
1961	0
1962	0
1963	0
1964	0
1965	0
1966	0
1967	0
1968	0
1969	0
1970	0
1971	0
1972	0
1973	0
1974	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	0
1989	0
1990	0
1991	0
1992	1549999.98956919
1993	2500000
1994	2010000.0202655802
1995	0
1996	0
1997	2440000.07212162
1998	2480000.0339746503
1999	3169999.91238117
2000	3229999.8998642
2001	4870000.00476837
2002	4810000.03218651
2003	4939999.99761581
2004	6009999.990463261
2005	6900000.00596046
2006	10689999.9529123
2007	12019999.697804501
2008	16250000.1862645
2009	13099999.8301268
2010	11099999.986589
2011	10019999.7462332
2012	10030000.0868738
2013	15220000.0397861
2014	14809999.7527897
2015	13130000.229924899
2016	14540000.0736117
2017	14569999.892264599
2018	24689999.2264807
2019	19279999.9937415
2020	17390000.0117719
2021	20769999.764859702
2022	26420000.35755337