Year	current US$
1960	22283823768.60504
1961	11294808448.771473
1962	9028055537.343613
1963	11203899632.234123
1964	14805845723.281805
1965	17650315202.934868
1966	20373405652.637768
1967	16699414833.690845
1968	16029118348.50795
1969	21343318153.572887
1970	28220819762.298336
1971	31399337433.309513
1972	35825999168.707085
1973	44030775938.01251
1974	52154771560.18701
1975	64194212371.20439
1976	63516503351.0562
1977	71995598126.65413
1978	69896575536.02454
1979	80044928030.77449
1980	93567417752.77248
1981	98103831875.18921
1982	106190662798.52647
1983	116721694525.33873
1984	126954149929.92053
1985	143398544683.74365
1986	141885324482.86102
1987	132815254933.87863
1988	157981158917.14493
1989	163512747518.32285
1990	179028478968.46173
1991	204524166658.6145
1992	245044716025.29782
1993	299776127235.5627
1994	351511358869.43396
1995	427477415666.1063
1996	487133408735.3227
1997	482036010549.6118
1998	433002609703.013
1999	454084158485.2213
2000	508673073898.2451
2001	559669366050.1162
2002	639715457536.059
2003	778147931078.9048
2004	942001341186.517
2005	1101887833601.0789
2006	1306831058499.9146
2007	1636341291157.0342
2008	2147707176719.3582
2009	2604987090066.2783
2010	3169794271081.985
2011	3887794584889.6846
2012	4413114297854.306
2013	4909660761768.405
2014	5247771121926.809
2015	5302714332141.806
2016	5350807283127.443
2017	5888695137856.435
2018	6741604199224.632
2019	6951293636235.086
2020	7007912717026.296
2021	8307543577955.262
2022	8363152185995.224