Year	current US$
1970	3935534872.0327845
1971	3933274156.733452
1972	5240885687.888459
1973	6105701234.172143
1974	4543933414.425373
1975	6320153412.648717
1976	6850933676.163364
1977	7708762272.402713
1978	9447639482.129025
1979	10846731590.119196
1980	12927879232.078686
1981	12351067859.541021
1982	10947348390.79362
1983	10183901996.843657
1984	10913139340.893154
1985	12040592754.448565
1986	16066558060.531193
1987	20562288183.710808
1988	23520524056.66536
1989	24788149032.86851
1990	31408027133.87849
1991	37397694915.254234
1992	36639898348.157555
1993	28148238558.984505
1994	29745463970.969414
1995	32413188846.676853
1996	34026841634.35729
1997	30973293690.81455
1998	31491842664.687603
1999	31662228892.331528
2000	29202156687.25852
2001	27040884491.388405
2002	30181881669.080116
2003	37759791251.87045
2004	42869953326.34816
2005	45019068391.96585
2006	47938114987.3953
2007	55587826241.34462
2008	59279027779.884995
2009	51435757401.55217
2010	58345832809.67144
2011	65394188996.9678
2012	62358378252.25258
2013	66047570056.465775
2014	64532994402.24406
2015	56008999972.23818
2016	58889685908.36048
2017	61347121005.30355
2018	63202397617.41469
2019	59736005728.27239
2020	61468404399.1375
2021	71551241926.4344
2022	64791350542.54176
2023	61344119265.31375