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	59999.9986588955
1988	39999.9991059303
1989	1929999.94941056
1990	9089999.76888299
1991	5110000.04224479
1992	11569999.9853969
1993	22949999.5820224
1994	13119999.8166412
1995	14049999.7045845
1996	13470000.050962
1997	10430000.0034273
1998	3020000.0070035504
1999	1669999.9645352399
2000	11439999.6455759
2001	1419999.98874962
2002	2469999.96900558
2003	15100000.044331001
2004	21930000.200867698
2005	33279999.8316914
2006	38300000.295043
2007	58069999.4731694
2008	87540000.1630187
2009	81429999.7966737
2010	124379998.59266
2011	158260001.70595902
2012	241850000.560284
2013	253730000.16436002
2014	316589993.914589
2015	342680004.75131
2016	399219998.67819303
2017	391480000.93177
2018	414810004.202649
2019	424000002.171844
2020	418580004.669726
2021	500299999.598414
2022	514739993.6039003