Year	current US$
1960	0
1961	0
1962	0
1963	0
1964	0
1965	29999.999329447703
1966	19999.9995529652
1967	29999.999329447703
1968	39999.9991059303
1969	69999.9984353781
1970	89999.9979883432
1971	89999.9998509884
1972	1759999.99418855
1973	4719999.88146126
1974	8559999.8999387
1975	21199999.798089303
1976	7790000.11458993
1977	8129999.980330471
1978	16440000.4222989
1979	20089999.9327958
1980	18609999.88392
1981	15450000.043958401
1982	18990000.1883507
1983	20380000.1628697
1984	19819999.6370822
1985	11759999.9494851
1986	15659999.7617304
1987	20099999.668076597
1988	19849999.7183681
1989	14680000.2101809
1990	14900000.151246801
1991	29230000.4512072
1992	45259999.5452911
1993	29059999.3932992
1994	47009999.059140705
1995	57849999.1167337
1996	49740000.5888194
1997	59379999.5481968
1998	49769999.7015297
1999	53660000.1584738
2000	53030000.1874566
2001	50749999.1580844
2002	55969999.935478
2003	57729999.4174391
2004	67959999.9468774
2005	117260000.536218
2006	99550000.86501239
2007	150229997.858405
2008	157150000.26300502
2009	97049999.6524304
2010	151469997.48423702
2011	147009998.27124202
2012	122399997.94960001
2013	164739998.99625802
2014	153409995.732829
2015	107930000.573397
2016	120259999.96811199
2017	102150000.90002999
2018	87259999.9010563
2019	109750000.447035
2020	121699999.406934
2021	88230000.4754215
2022	136699999.15361398