Year	current US$
1961	6591864065.454471
1962	6765740640.814927
1963	7230358847.343773
1964	7931518878.466802
1965	8722771890.387743
1966	10284809397.949615
1967	11912398325.967592
1968	13580826149.9839
1969	15433122702.121748
1970	18509905254.0913
1971	21031887502.47574
1972	23899383776.139004
1973	26881311868.813118
1974	33405930470.34765
1975	38951042076.28784
1976	45955375253.5497
1977	48153267512.929016
1978	48575436135.70615
1979	52234078879.97268
1980	59107081765.309616
1981	65756943865.20977
1982	72209613358.19081
1983	77491885751.37943
1984	78603968805.49765
1985	80760161113.14537
1986	83733717164.44765
1987	93147812971.34238
1988	107588364345.49445
1989	121206081081.08109
1990	134821734658.89612
1991	147109190887.66693
1992	145295772317.36575
1993	138313309045.8104
1994	131519478617.45753
1995	131242349169.33838
1996	130917491749.17493
1997	130036833742.59714
1998	125764071452.64577
1999	131074241098.47209
2000	142299508450.60938
2001	144170325413.22314
2002	150446695979.09897
2003	178178573977.58905
2004	199357417371.2529
2005	223781152005.2814
2006	253942172073.3427
2007	282755795549.7626
2008	306240862230.553
2009	301930714723.12134
2010	347331886872.4369
2011	379214461589.1877
2012	385014582980.5983
2013	382325710984.66315
2014	365963384878.3335
2015	324965188724.9219
2016	321612947451.90625
2017	341452931752.06635
2018	356822795802.7358
2019	360314585114.83655
2020	375858774649.52795
2021	430448953230.19446
2022	447247408480.90436
2023	454346302753.7141