Year	current US$
1960	59316573204.87018
1961	64051900984.205124
1962	67459502475.77496
1963	73548927617.67517
1964	82183734762.02661
1965	90999052844.65791
1966	99254376755.93747
1967	105114807561.4566
1968	117105338496.81386
1969	135722849636.17993
1970	157010660850.82367
1971	178110277302.96396
1972	214960877353.41162
1973	293267111490.4433
1974	383918463036.0857
1975	418102205598.37463
1976	458545719071.9828
1977	527251725263.25903
1978	636216492752.7589
1979	792577652167.1378
1980	905898439891.1688
1981	845729846100.684
1982	815342096196.4304
1983	798367084017.4999
1984	824461748251.7373
1985	866800613448.4967
1986	1047753830258.5686
1987	1256508849591.7566
1988	1392986983803.2598
1989	1476185412932.8914
1990	1766231741236.1921
1991	1742703931129.1113
1992	1850492317019.4485
1993	1733456284107.383
1994	1997912712663.3438
1995	2448508742503.476
1996	2553389020454.8105
1997	2545670502346.7866
1998	2626906069748.121
1999	2631663734938.937
2000	2780196172658.0874
2001	2805897153641.963
2002	2997547998106.3687
2003	3588879128643.3037
2004	4323915553110.369
2005	4775988498712.667
2006	5437310205999.418
2007	6361457760264.8955
2008	7238208768778.645
2009	5516252503198.529
2010	6250010183401.422
2011	7448188403397.721
2012	7275590433796.23
2013	7578586735651.617
2014	7562581848528.712
2015	6473955010289.749
2016	6376310476392.503
2017	7035890028874.987
2018	7779824847278.565
2019	7552313450172.403
2020	7000788546899.217
2021	8671648912914.685
2022	9533235054870.57
2023	9304427004856.22