Year	current US$
1960	26523547719.549698
1961	26550922156.002316
1962	27156581562.516502
1963	30219096640.653206
1964	33394531269.156963
1965	35223241311.9611
1966	37436052266.30307
1967	39221388377.19262
1968	42069613690.048546
1969	46504250212.47271
1970	50687438272.285194
1971	54999779406.07549
1972	61690594406.660805
1973	90414009469.81584
1974	149206088871.0984
1975	147490524587.55234
1976	165830261092.40234
1977	189344121189.26633
1978	208729654709.06946
1979	283065820889.9831
1980	369966409568.57935
1981	350364463984.0936
1982	338784440475.14185
1983	338269646495.79395
1984	358212515245.41077
1985	346956368743.33344
1986	311574226255.4812
1987	369448206357.58026
1988	419315037721.301
1989	466858758253.3127
1990	504937115229.35254
1991	516275110399.4573
1992	563149952810.9569
1993	593791242885.07
1994	718901826938.3329
1995	872200127386.8595
1996	944027076310.5208
1997	1028106946119.9805
1998	980552345014.6659
1999	1060944413330.7308
2000	1310354035960.918
2001	1278349330446.0947
2002	1392805460817.4521
2003	1678379588962.213
2004	2164668326104.8127
2005	2698195996561.8525
2006	3306772431649.419
2007	3968916720709.6836
2008	4815208646375.964
2009	3731714900693.1553
2010	4806659616821.613
2011	5910845434037.7705
2012	6127716183768.944
2013	6291251749118.176
2014	6363823000000
2015	5575152000000
2016	5264952000000
2017	5933789000000
2018	6616922000000
2019	6515586000000
2020	6204792000000
2021	8114667000000
2022	9110913000000
2023	8562775000000