Year	current US$
1960	4159999.8474121103
1961	8229999.54223633
1962	11579999.923706101
1963	16460000.533610564
1964	32339999.31439758
1965	34520000.42051075
1966	31019999.682903275
1967	29209999.758750174
1968	23210000.42185191
1969	21709999.402984995
1970	25909999.653696984
1971	22950000.39413575
1972	26670000.750571527
1973	22080000.312998936
1974	30529999.461025
1975	47180000.372230984
1976	46209999.93197623
1977	59219999.63186683
1978	65350000.36656867
1979	104709999.46072695
1980	96170000.60342254
1981	96049999.83869493
1982	75749999.51571228
1983	61959999.90403646
1984	66210000.08098783
1985	63809999.74720172
1986	102140000.34704798
1987	197440000.7743389
1988	219819997.55278224
1989	224980001.82397652
1990	261279998.49244964
1991	252280003.3688545
1992	264729998.73384845
1993	203729998.09682375
1994	286859995.9556013
1995	297189999.5282292
1996	307120003.1712651
1997	203189999.59714714
1998	279759997.85400933
1999	317469996.70378864
2000	319209999.94874007
2001	260049994.4500624
2002	278680001.1061132
2003	390809995.6419317
2004	375020001.34997076
2005	400310002.0457064
2006	480579999.20286214
2007	480140008.5110215
2008	576870004.6371669
2009	522959999.9170745
2010	720079997.1427773
2011	525859988.55158776
2012	762890003.969893
2013	750670002.4437159
2014	587460006.3599645
2015	653940004.9895053
2016	783149999.5309855
2017	895059991.7285136
2018	840269989.43463
2019	729530006.3584005
2020	747290007.695555
2021	691950023.6790628
2022	626640002.5878103