Year	current US$
1960	24899999.9761581
1961	30089999.79496
1962	45310000.0619888
1963	14399999.9538064
1964	13999999.582767501
1965	16529999.971389798
1967	21960000.8130074
1968	45489999.651908904
1969	31309999.7732788
1970	74690000.7203221
1971	75289999.6247143
1972	92710001.3587624
1973	113160000.71726699
1974	117930001.325905
1975	118219999.413937
1976	174129997.080192
1977	173139998.173341
1978	174550001.77212098
1979	268550005.158409
1980	277139999.451116
1981	243030001.681298
1982	271930004.14595
1983	126959999.28005
1984	151639998.784289
1985	118059999.253601
1986	166870001.045987
1987	252339997.84849602
1988	314990004.632622
1989	364069998.066872
1990	412620004.395023
1991	283730004.608631
1992	248700003.672391
1993	240689995.903522
1994	234649999.77871802
1995	416419997.49653
1996	419070006.01291704
1997	388260001.203045
1998	453340000.52698004
1999	413750001.188368
2000	451600002.964959
2001	576130002.12051
2002	508039997.90363
2003	452769997.23911303
2004	525640002.33635294
2005	675850007.729605
2006	385310001.78121
2007	392029999.190941
2008	513689994.79524803
2009	434729999.65771997
2010	283310002.598912
2011	238359999.908134
2012	95579999.6256828
2013	57470000.2986938
2014	50639998.966828
2015	71970001.4293194
2016	181380003.51376802
2017	63079999.5660782
2018	84689998.0418384
2019	57129999.3097782
2020	66670000.1303107
2021	72060000.0265986
2022	43220000.22605061