Year	current US$
1960	212764272.56187308
1961	245531249.51403633
1962	258849648.8714836
1963	313039180.3933118
1964	406509762.1984669
1965	408877855.66017634
1966	457508638.41583294
1967	502030602.82640064
1968	616808511.8793231
1969	694336075.7466246
1970	722495494.6875294
1971	782985137.3341864
1972	933231038.19884
1973	1284494798.0270536
1974	1794315016.3585527
1975	2130529604.1442208
1976	2757893716.6792383
1977	3795185578.7735515
1978	4553837229.398785
1979	5169196465.029201
1980	5533426936.647988
1981	4627631080.6758175
1982	4130627156.994484
1983	3872976773.5059967
1984	3853022612.31552
1985	3748138941.290827
1986	4602598647.293059
1987	4887751247.051266
1988	4646601914.379754
1989	4439608494.009744
1990	4451600063.685062
1991	4418193411.916758
1992	4633871501.369247
1993	5415835812.471535
1994	4464093195.818358
1995	5995563082.87347
1996	6674032881.829923
1997	6216315561.612166
1998	6690082422.41495
1999	6793612334.336691
2000	5748571027.385123
2001	5914479307.350849
2002	6404320729.493602
2003	7692836353.441583
2004	9021729348.737738
2005	9330357458.929485
2006	9592986561.484232
2007	11149507022.4033
2008	12874604197.626072
2009	13102458377.352217
2010	13217174292.93875
2011	12480681482.135504
2012	14407199465.615095
2013	16596720470.47357
2014	18225837781.486706
2015	24800859065.545757
2016	26379118935.617916
2017	29275650373.477962
2018	32549410910.097115
2019	33209068558.675476
2020	35026350232.40358
2021	39381922379.67719
2022	37705043977.02345
2023	42745622558.67277