Year	current US$
1960	532335042.4924152
1961	510896856.48287636
1962	495120374.1297123
1963	537706199.9067683
1964	565089246.7782439
1965	655984905.6603774
1966	686098113.2075472
1967	743788679.245283
1968	810128301.8867924
1969	899350943.3962264
1970	1051245283.018868
1971	1188212863.1977293
1972	1317226827.430294
1973	1621783130.9639976
1974	1916153846.1538463
1975	2127257876.3127189
1976	2557351225.2042007
1977	3240361726.9544926
1978	3799789964.9941654
1979	4449988331.388565
1980	5331073512.252042
1981	2752574709.0300922
1982	2530535532.609735
1983	3170235814.732538
1984	3645452936.217654
1985	3987904950.4950495
1986	4381609318.996416
1987	4720352079.018639
1988	4697086686.898007
1989	5454799654.789791
1990	6106057461.219139
1991	7529281094.502981
1992	9037867318.113564
1993	10280299024.699484
1994	11139903123.429749
1995	11985691328.285921
1996	12149436151.364883
1997	13169021911.006018
1998	14246998960.69054
1999	14600244906.538784
2000	15113362073.396282
2001	15949911697.32721
2002	16904573611.527987
2003	17614480889.7306
2004	18767141637.476307
2005	20500298494.601154
2006	23439367472.07824
2007	28307524940.3086
2008	33508784385.92904
2009	30897815719.858215
2010	38356529480.56356
2011	44342352206.67374
2012	49000908196.80298
2013	52418604788.845604
2014	53298827471.05238
2015	56872147223.15646
2016	58645930855.03952
2017	60241657313.490326
2018	62088289748.31853
2019	62555926986.76901
2020	60103751925.27288
2021	63940146122.79761
2022	68223034101.01155
2023	82786389773.66333