Year	current US$
1960	291829986.57226604
1961	402739990.234375
1962	368779998.779297
1963	363149993.89648396
1964	437600006.10351604
1965	417869995.11718804
1966	454610015.86914104
1967	439029998.779297
1968	358899993.89648396
1969	330899993.89648396
1970	375910003.66210896
1971	442160003.66210896
1972	451500000
1973	398970001.220703
1974	497880004.88281304
1975	554130004.882813
1976	581950012.207031
1977	550029968.261719
1978	850830017.089844
1979	1211569946.28906
1980	1323119995.11719
1981	1322670043.94531
1982	954779968.261719
1983	854299987.792969
1984	780229980.46875
1985	851630004.882813
1986	1005960021.97266
1987	1002020019.53125
1988	1422890014.64844
1989	1454439941.40625
1990	1636829956.05469
1991	1854160034.17969
1992	1788890014.64844
1993	1597420043.94531
1994	1850390014.64844
1995	1825300048.82813
1996	1908150024.41406
1997	2102600097.65625
1998	2237500000
1999	2331629882.8125
2000	2780419921.875
2001	2679239990.23438
2002	3586830078.125
2003	3903610107.42188
2004	5418040039.0625
2005	8156379882.8125
2006	8725240234.375
2007	5586370117.1875
2008	7304549804.6875
2009	7370229980.46875
2010	7990700195.3125
2011	8450950195.3125
2012	8645549804.6875
2013	10494769531.25
2014	11217379882.8125
2015	11703969726.5625
2016	11432919921.875
2017	11204860351.5625
2018	12130149414.0625
2019	13177299804.6875
2020	12118700195.3125
2021	9743049804.6875
2022	2826419997.9677796