Year	current US$
1960	2433199026.7209496
1961	2636198945.5215416
1962	2867198853.1243787
1963	3351598659.363336
1964	3522398591.046724
1965	3956398417.4490333
1966	4313398274.649651
1967	5076397969.451452
1968	5216397913.459874
1969	5731597707.372677
1970	5902397639.043744
1971	6170173488.27598
1972	6639473533.214279
1973	10121856245.492672
1974	13351395420.668447
1975	11385098516.073965
1976	10597252643.543161
1977	11784052945.436235
1978	13674653416.932354
1979	17517298190.071247
1980	26946355757.230953
1981	24513354595.560375
1982	20031415330.710915
1983	21579359864.27822
1984	17987287833.80116
1985	13703646437.847458
1986	14671083202.547264
1987	17681107150.568935
1988	19003995641.73387
1989	20518420143.11299
1990	18319792900.240368
1991	20171060493.68384
1992	21698473761.99318
1993	23283516651.45714
1994	23596967071.39324
1995	28719270350.51405
1996	25575050745.280956
1997	25130586623.33302
1998	22596698917.705425
1999	21838885305.953163
2000	22925488038.791527
2001	19989279390.869854
2002	23166407473.113247
2003	36223123207.62964
2004	43439188529.93102
2005	51124001818.38654
2006	55018549060.79832
2007	56646547210.29788
2008	51604148616.81005
2009	57302801594.31544
2010	71546200633.8423
2011	73779543175.6443
2012	58632680146.52519
2013	55473979911.6713
2014	52154765628.79733
2015	49541278523.45038
2016	46233633546.94771
2017	54332455648.49958
2018	53616952319.09701
2019	51453947200.28978
2020	48968149820.599014
2021	68648767864.72538
2022	60262728715.21298
2023	51489888034.27191