Year	current US$
1960	25842781.010539033
1961	25835931.928300347
1962	26266058.729879726
1963	29498346.826657295
1964	26264629.4788255
1965	25446733.58667604
1966	26591671.128223598
1967	36211245.25956076
1968	40381362.69948089
1969	41883272.268817194
1970	38675392.81943823
1971	34464417.51681894
1972	54835259.39003505
1973	65952057.88878503
1974	101119770.55634002
1975	130650091.52505518
1976	116300241.25415702
1977	133140842.85690252
1978	149209511.33287653
1979	225646996.22197354
1980	212987950.96383086
1981	202405713.04051432
1982	349962909.86586916
1983	189730903.49096343
1984	134338267.0811572
1985	93486448.82618557
1986	179898717.52229786
1987	201972099.15511045
1988	253296806.85450065
1989	177528296.528737
1990	275578111.1143906
1991	287597351.9670162
1992	230920741.34347755
1993	365251641.884502
1994	284492910.7011732
1995	464729080.80451405
1996	414403514.02494556
1997	420653283.65388346
1998	445725933.7850115
1999	670282050.8317412
2000	563494395.952131
2001	650854247.9802705
2002	622177156.2098238
2003	811150266.2541565
2004	942072805.3993269
2005	793769726.133296
2006	905533866.567131
2007	1337834270.3804247
2008	1344875896.9957135
2009	1447716826.1398373
2010	1488285156.7910867
2011	1760394154.6558483
2012	1701988709.226444
2013	2361099967.956242
2014	2558279325.3924956
2015	2360969860.241162
2016	2396371151.49508
2017	3043370368.6386147
2018	3763352168.320065
2019	3688309954.801087
2020	4021114866.056103
2021	5102988754.22053
2022	6364772358.809225
2023	7961987813.797141