Year	current US$
1960	568903646.4385414
1961	564535648.1857407
1962	624469596.2121615
1963	671957577.2169691
1964	688239612.704155
1965	699159580.3361679
1966	769999412.0002352
1967	820959951.6160194
1968	874775510.089796
1969	915179493.9282025
1970	965019473.9922104
1971	1149791400.08344
1972	1310119475.9522097
1973	1480605016.9742525
1974	1913519234.5923061
1975	2223555883.659874
1976	2140515074.1381915
1977	2501038776.8543
1978	3208535532.5256877
1979	4021506000.621513
1980	4506355432.821302
1981	4231667141.5677576
1982	4084247630.4266715
1983	3655937937.051051
1984	3976440755.868911
1985	3573187800.452005
1986	4337849079.567516
1987	4962097887.920211
1988	5142068281.578399
1989	5705830030.010499
1990	5348266805.418531
1991	5177367223.710948
1992	5525087233.124373
1993	3630870904.2945614
1994	4461616088.684193
1995	6265638467.074159
1996	9163235904.935225
1997	10122686089.089458
1998	10950192738.711905
1999	10133688834.70584
2000	9947116621.762928
2001	10333006207.74893
2002	10336023724.550547
2003	11494241823.652967
2004	12155953105.699108
2005	14128258729.118227
2006	19687247727.436165
2007	23922198652.35837
2008	27038943090.95877
2009	30690867721.584442
2010	33066966716.15437
2011	35626309736.983475
2012	42411178039.1442
2013	47176778658.3168
2014	51943671450.12491
2015	52952688101.53283
2016	57164247777.354294
2017	63917075528.62027
2018	71091178701.72481
2019	77715656682.78876
2020	76941953830.68118
2021	82822038471.84126
2022	86628455495.56319
2023	82719629131.67493
