Year	current US$
1960	4234675407.6818175
1961	5046212756.609524
1962	5729498779.8865795
1963	5756422474.907522
1964	6046995028.175119
1965	6090665340.576496
1966	7116250716.04778
1967	6999657695.08682
1968	7179056708.129726
1969	8212631950.45254
1970	9146820581.308743
1971	11067636429.437302
1972	12323017634.12527
1973	17246524046.229866
1974	16262157094.999208
1975	7839801471.504355
1976	9972875771.391617
1977	14339698999.987602
1978	16703264393.895432
1979	22631034753.605858
1980	30558807811.794872
1981	38519813253.333336
1982	20050216542.063934
1983	19987405008.960594
1984	20163711826.538513
1985	17161734553.697153
1986	18316004861.135365
1987	21636942539.435753
1988	24329242884.28728
1989	28745340609.808647
1990	32331508670.265877
1991	36542755544.52983
1992	45953761069.61379
1993	51301725509.367424
1994	57178918988.785545
1995	73486213710.4809
1996	80171383749.28047
1997	87750584983.79227
1998	84899849041.6614
1999	74125596364.44176
2000	77136777520.69736
2001	70465434478.54114
2002	68837272086.1868
2003	73105083210.7607
2004	89681463115.83713
2005	112157660681.275
2006	132275097903.67215
2007	149579639968.63858
2008	176929040466.04535
2009	158816848112.5537
2010	203832120994.01727
2011	244097713688.46198
2012	268266345944.52264
2013	280081203385.7438
2014	258592354245.15884
2015	244794733173.45535
2016	249872340197.78143
2017	274396276602.7691
2018	299168094198.3028
2019	283467892677.43835
2020	242666362466.68555
2021	318327137851.5265
2022	314073001061.1644
2023	331149994500.257