Year	constant 2015 US$
1960	65552393151.30297
1961	65678119684.67395
1962	68372888067.720406
1963	74238337576.43277
1964	77913498064.01173
1965	81719554395.09827
1966	78246053144.3064
1967	65927285449.672226
1968	65104275426.97551
1969	80857806917.09416
1970	101078114311.65059
1971	115469142733.23524
1972	119353827264.3914
1973	125790293297.19829
1974	139829338541.91107
1975	132519413714.66504
1976	144502285208.3785
1977	153207273164.61206
1978	144376163268.4244
1979	154135170311.43326
1980	160616293802.8314
1981	139530778712.87677
1982	130037957319.95674
1983	115832500285.92778
1984	114540246019.7115
1985	121313042218.59358
1986	121386976784.82231
1987	125271512342.57047
1988	134458956986.46053
1989	137039737057.51471
1990	153178750575.31534
1991	153727670613.1925
1992	160847095650.79904
1993	157573666209.7898
1994	154713823159.4316
1995	154601400725.05353
1996	161088358074.45813
1997	165819683303.9408
1998	170099910681.03003
1999	171093510004.149
2000	179675448843.37335
2001	190308075297.96545
2002	219480696548.0063
2003	235606371240.50146
2004	257401275803.76187
2005	273974099482.93423
2006	290575362867.5025
2007	309727563830.1399
2008	330679000570.7781
2009	357255424171.356
2010	385856064172.7845
2011	406337011591.3502
2012	423525315758.0535
2013	451780110046.797
2014	480286163931.14984
2015	493026682800.6295
2016	485055087455.8195
2017	488964081500.9005
2018	498365674277.73376
2019	509371727735.74335
2020	500232309808.2155
2021	518476715283.8959
2022	535335926240.9961
2023	550647684655.9976