Year	current US$
1967	5254608055.609638
1968	6258690920.0029955
1969	7239263803.680982
1970	7375342465.753425
1971	7199938758.580642
1972	8196626506.0240965
1973	11543855421.686747
1974	17490602409.638554
1975	21071084337.349396
1976	25213975903.614456
1977	30020240963.855423
1978	34350187562.950462
1979	31319134694.312378
1980	43864974622.641106
1981	56287196779.04273
1982	63001271614.13567
1983	49204077500.34009
1984	52503170845.943306
1985	51505879810.549446
1986	51143647846.90368
1987	47066460522.30742
1988	53225545831.43604
1989	56627457068.67566
1990	67388496928.10365
1991	74896533640.4556
1992	80452086781.74509
1993	92452872768.29703
1994	105574129353.23383
1995	124466951682.5157
1996	141781326047.04776
1997	133076708201.63431
1998	64694378233.37774
1999	103522314704.65
2000	101736066245.60422
2001	101322506471.58887
2002	132310082252.20244
2003	159969308158.54922
2004	171486082504.39743
2005	183992161900.7893
2006	228472903174.0551
2007	274642139809.64883
2008	309306990309.5305
2009	316748382750.13684
2010	424492610026.82275
2011	494913450646.48694
2012	517579927880.8348
2013	518582560786.293
2014	509003681732.66455
2015	494560910747.7182
2016	538874867133.72943
2017	581701454953.0975
2018	593885231699.8723
2019	648299754543.6128
2020	624142240215.7913
2021	660041259479.6351
2022	699719506205.6737
2023	746235048503.0066
