Year	current US$
1960	575710013.01147
1961	642289995.992556
1962	607060014.96315
1963	681480015.574023
1964	503520000.03866905
1965	618030007.183552
1966	663680007.76507
1967	618659992.175177
1968	574790008.5374709
1969	672409993.998706
1970	618910010.419786
1971	682290009.032935
1972	779209993.0178369
1973	843209989.4024429
1974	887369992.1630319
1975	1343760008.9032202
1976	1593930034.29286
1977	1996360021.77931
1978	1728449989.75843
1979	2302630032.97895
1980	2163869988.22913
1981	2298199974.3804297
1982	1931479994.1740901
1983	2440319978.57057
1984	2309090015.84165
1985	2936340022.23238
1986	3192999988.80178
1987	2531420059.3791904
1988	2337120065.1601
1989	2438110007.9379997
1990	2992490024.7603703
1991	3188619953.71431
1992	3505080051.6996503
1993	2989060034.62337
1994	2880290052.7417703
1995	2095759979.29275
1996	3888030046.41831
1997	1519720024.04928
1998	1868220000.0733101
1999	1094320015.3317301
2000	520650003.433228
2001	542829991.400242
2002	546590006.828308
2003	575270005.553961
2004	567489996.239543
2005	525770002.4843221
2006	617409989.565611
2007	432469993.11447096
2008	712680000.782013
2009	560130002.02179
2010	706550010.681152
2011	487420000.076294
2012	405909997.701645
2013	315339995.265007
2014	341570008.03947395
2015	159420001.745224
2016	317980000.197887
2017	257089999.19891396
2018	198449998.855591
2019	263799999.237061
2020	251160001.754761
2021	270109997.272491
2022	364639995.574951