Year	current US$
1960	212986979.04756927
1961	253820372.2698793
1962	316213797.1135691
1963	477587367.1281384
1964	501760735.915746
1965	543574130.5753915
1966	569054167.946113
1967	522340766.0997903
1968	545207466.3042839
1969	498167397.3121827
1970	676527658.907233
1971	884918060.7156664
1972	1138831787.6999073
1973	1726741782.730945
1974	2408740595.9202633
1975	2332611592.2718186
1976	2441792982.6977367
1977	3032971015.523205
1978	4050444681.055007
1979	5597589518.022409
1980	7624203965.027059
1981	9009493842.564964
1982	9739264329.071949
1983	10861820140.01077
1984	10833992563.710669
1985	9312770384.069218
1986	7307930993.607449
1987	7105782656.079961
1988	8678076801.323362
1989	11295970750.60118
1990	14547067794.260365
1991	17866598778.004074
1992	21671574979.385086
1993	26004090758.111107
1994	29974089315.6531
1995	38663078149.92026
1996	42859130296.525955
1997	43116615799.55994
1998	19359457806.767223
1999	17326578947.368423
2000	23721315789.473686
2001	23310526315.789474
2002	23682894736.842106
2003	24701052631.57895
2004	26141052631.57895
2005	32013217529.439476
2006	35719105157.68459
2007	43363202309.5391
2008	47478695726.07501
2009	44448820159.892044
2010	57214226129.25388
2011	66095033240.16349
2012	79753600183.37212
2013	85594030167.16763
2014	87810966555.24525
2015	77947479115.31805
2016	76873875530.91139
2017	79978201537.93529
2018	86828567605.00902
2019	83760034230.785
2020	70575637055.18425
2021	72028928666.67712
2022	74133971647.36871
2023	76816924781.10934