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	1070000.05245209
1988	1629999.99523163
1989	3960000.03814697
1990	11000000
1991	20209999.084472697
1992	29510000.2288818
1993	45220001.220703095
1994	42060001.373291
1995	48279998.779296905
1996	104010002.13623
1997	95989997.8637695
1998	114849998.47412099
1999	123349998.47412099
2000	115260002.13623
2001	137639999.38964802
2002	171899993.89648402
2003	205520004.272461
2004	283739990.234375
2005	396479980.46875
2006	314190002.441406
2007	411000000
2008	420739990.234375
2009	449149993.89648396
2010	683119995.117188
2011	760159973.144531
2012	849150024.414063
2013	865390014.648438
2014	937739990.234375
2015	994619995.117188
2016	980450012.207031
2017	1066229980.46875
2018	1191069946.28906
2019	1349969970.70313
2020	1238300048.82813
2021	1603680053.71094
2022	1538929999.2658198