Year	current US$
1960	384922301.55396897
1961	403401931.9613608
1962	435111297.7740446
1963	477740445.19109625
1964	584208315.8336834
1965	646157076.8584629
1966	962830743.3851324
1967	846913061.7387654
1968	847963040.7391853
1969	914741705.1658968
1970	1017639647.2070559
1971	1106677866.4426713
1972	1115550198.036852
1973	730540054.8567104
1974	862525252.5252525
1975	1207070707.070707
1976	1448787878.7878788
1977	1688282828.2828283
1978	1930909090.9090908
1979	2054444444.4444444
1980	2377272727.272727
1981	2856161616.161616
1982	3177440758.2938385
1983	3276062992.1259847
1984	3765286435.1439595
1985	3768205804.7493405
1986	4070799752.014879
1987	4513952810.952519
1988	5967188835.089718
1989	6742683748.974124
1990	6056280091.618753
1991	6507846744.28845
1992	6277807435.993841
1993	6745658216.250711
1994	6286198446.570804
1995	7120811699.416443
1996	8006898946.118782
1997	7425553372.297736
1998	7005367590.530187
1999	6524154506.59671
2000	9864933558.830635
2001	8408639642.734456
2002	9428613186.099382
2003	10935154515.963804
2004	12807486538.127497
2005	13302492014.501934
2006	18726239044.650047
2007	19155245719.412476
2008	21397392340.098965
2009	21597843520.178143
2010	21478245090.816643
2011	23581137427.35704
2012	25259040063.32817
2013	26537730183.185966
2014	27213344332.456528
2015	29363323632.572826
2016	33272868243.30939
2017	36477283975.76518
2018	39151397442.2513
2019	34496976222.67804
2020	35416575957.3235
2021	38091362850.26996
2022	39333193576.28964
2023	34509336219.22092