Year	current US$
1960	47952155.04733922
1961	55693994.61474578
1962	61260241.56895522
1963	27471321.699668936
1964	84255728.53989947
1965	90181652.53544655
1966	98095625.7060525
1967	103251598.17073543
1968	106234938.33090755
1969	113862958.31151688
1970	109622525.73855557
1971	155071758.49520755
1972	153554554.5568304
1973	292971193.67161036
1974	439127337.57203245
1975	675647569.5116812
1976	982211821.6671275
1977	1019213281.5603921
1978	852182611.1672882
1979	933144348.9596198
1980	1404300524.9608748
1981	1370102709.4570463
1982	1202655111.9829118
1983	1243354104.6413279
1984	1217969747.1419282
1985	892461727.3647816
1986	1472224394.996165
1987	1317942808.2364235
1988	2069644745.1310766
1989	2075808065.4196396
1990	2957047828.0136614
1991	2580656399.308533
1992	2708327183.8858356
1993	2025885617.0358822
1994	1604872196.542084
1995	1963944888.8094862
1996	2137610801.692409
1997	2084399247.8673356
1998	2234419923.5607014
1999	2046616602.1681693
2000	1906765403.7346866
2001	1905913977.2577083
2002	2073639284.9548478
2003	2527683232.0342116
2004	2819417356.1902323
2005	2833159423.9691553
2006	3193428729.687599
2007	3904576568.088753
2008	4513062365.391128
2009	4460047488.267766
2010	4430730443.67681
2011	4667769577.751512
2012	4714269162.593375
2013	5209358086.087548
2014	5948873710.897618
2015	5613610885.283938
2016	5853966215.794294
2017	6367380318.406701
2018	6935540488.653666
2019	6829135717.010365
2020	6875815836.354398
2021	7814971995.266671
2022	6994257674.272372
2023	7470229698.168576