Year	current US$
1960	69568810943.98111
1961	51585884544.98172
1962	45402561083.458694
1963	57130532941.07402
1964	69750237789.94699
1965	82465975615.554
1966	86028119699.47536
1967	81929116171.84644
1968	87232971197.66826
1969	97592377077.41867
1970	125518425359.18892
1971	135913718628.66464
1972	149343121936.8343
1973	191201118257.01303
1974	245446247222.47217
1975	291511184380.8027
1976	308469924180.2408
1977	360426158448.2528
1978	378356146362.3654
1979	427983888956.00867
1980	541879090020.37115
1981	599124415134.6648
1982	543646982040.1674
1983	549410314210.4816
1984	568204480903.1428
1985	597669733563.121
1986	589808526863.1925
1987	587395927286.444
1988	663819865481.0212
1989	692326362978.803
1990	821148224900.7832
1991	733326867970.9124
1992	818759029253.2449
1993	927395707118.1422
1994	1062223437666.5906
1995	1173649964244.593
1996	1273289388926.5237
1997	1322886333428.5269
1998	1279402479006.161
1999	1260383173091.118
2000	1358736787062.895
2001	1409627942130.121
2002	1463701586728.57
2003	1737479772440.2249
2004	2164291300071.8765
2005	2528757367775.799
2006	3023270028232.075
2007	3876840171147.4775
2008	4779960452771.194
2009	4908847858702.223
2010	6179455487105.662
2011	7380062807443.136
2012	7869714611989.524
2013	8378428958318.413
2014	8774134389264.729
2015	8338884945287.278
2016	8308885811091.826
2017	9199725466129.73
2018	10104133389614.812
2019	10129485478747.488
2020	9925795880801.2
2021	12076528764833.373
2022	12533844709676.729