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	119999.997317791
1988	49999.998882412896
1989	149999.99664723902
1990	69999.9984353781
1991	3600000.00335276
1992	3049999.9877065397
1993	3730000.01907349
1994	3589999.98494983
1995	3660000.01318753
1996	11269999.742507901
1997	10280000.120401401
1998	4680000.005289909
1999	4920000.02600253
2000	12230000.0749528
2001	13810000.032186499
2002	8960000.02883375
2003	11160000.1901388
2004	14899999.730289001
2005	19829999.9088049
2006	25879999.7437745
2007	54699999.5652586
2008	68629999.9468029
2009	55839999.5882064
2010	64459999.41602351
2011	64390000.4290044
2012	76199999.5447695
2013	96480001.9972026
2014	109090001.611039
2015	114030001.34602201
2016	137829999.13767
2017	176690002.368763
2018	215269998.50012398
2019	210010000.549257
2020	169590002.503246
2021	320799996.893853
2022	273079998.46711767