Year	current US$
1960	89660165593.16345
1961	95289571838.1789
1962	100197720322.70203
1963	109072786489.93285
1964	123623791660.92053
1965	134953460851.76224
1966	148826568332.90305
1967	157600108481.0616
1968	177188284785.81006
1969	203572358992.20596
1970	236254219069.17615
1971	263034879287.57294
1972	313118933571.1426
1973	427747096917.184
1974	573354444395.3385
1975	613638065150.3419
1976	683726975441.9357
1977	774979830459.2948
1978	928601388067.9634
1979	1140705105350.3328
1980	1341776328560.1863
1981	1335078783989.5151
1982	1269084756467.168
1983	1259368927954.495
1984	1352619518909.6401
1985	1393976565803.7925
1986	1606625985438.675
1987	1881793224005.3796
1988	2162711488527.4465
1989	2313739902398.9785
1990	2665154238851.6265
1991	2716476699055.3374
1992	2890533540690.3887
1993	2845199813408.435
1994	3215285054858.36
1995	3841423195982.6416
1996	3983217814699.809
1997	4097620445689.6997
1998	4145627291710.3735
1999	4258985999999.9995
2000	4626492999999.999
2001	4471695999999.999
2002	4637022999999.999
2003	5336171999999.999
2004	6338824999999.999
2005	6958692999999.999
2006	7844975999999.998
2007	8996057999999.998
2008	10043546999999.998
2009	7842253999999.998
2010	9170393999999.998
2011	10708176999999.998
2012	10567429999999.998
2013	10848315999999.998
2014	10920677000000
2015	9677569000000
2016	9560614000000
2017	10448571000000
2018	11352571000000.002
2019	11043739000000.002
2020	10170291000000.002
2021	12490236000000.004
2022	13818078000000.006
2023	13564361000000.006