Year	current US$
1960	13409999.8474121
1961	12810000.4196167
1962	9199999.80926514
1963	8180000.305175779
1964	2960000.03814697
1965	7940000.05722046
1966	8420000.07629395
1967	8680000.30517578
1968	19049999.237060502
1969	9229999.54223633
1970	19979999.5422363
1971	6070000.17166138
1972	15020000.4577637
1973	11630000.1144409
1974	139199996.94824198
1975	14300000.1907349
1976	39150001.5258789
1977	135839996.33789098
1978	232949996.94824198
1979	123480003.35693401
1980	297829986.57226604
1981	454980010.986328
1982	187009994.506836
1983	125900001.52587901
1984	77180000.3051758
1985	82410003.6621094
1986	62330001.8310547
1987	101150001.52587901
1988	144169998.168945
1989	117809997.558594
1990	285679992.675781
1991	125239997.86377
1992	110169998.168945
1993	140369995.117188
1994	228029998.779297
1995	191289993.28613302
1996	235259994.506836
1997	261239990.234375
1998	340829986.57226604
1999	194509994.506836
2000	201190002.44140598
2001	198970001.220703
2002	204020004.272461
2003	534640014.648438
2004	266670013.427734
2005	230720001.220703
2006	819039978.027344
2007	978969970.703125
2008	1068359985.35156
2009	550969970.703125
2010	445089996.33789104
2011	475489990.234375
2012	711580017.089844
2013	621599975.585938
2014	820950012.207031
2015	965609985.351563
2016	1129339965.82031
2017	1303040039.0625
2018	1422300048.82813
2019	1236459960.9375
2020	1421670043.94531
2021	1399290039.0625
2022	1426089965.82031