Year	current US$
1960	888930000.0611693
1961	839459999.876097
1962	877350001.0389833
1963	882550000.5427747
1964	784330001.8124282
1965	1055490011.9137027
1966	1219490001.235157
1967	1452789997.9446096
1968	1489730010.3958695
1969	1656519997.6619332
1970	1711909999.620169
1971	1942869999.0082524
1972	2209099993.0482354
1973	2288080003.9749594
1974	2683949987.6070766
1975	2127790009.8171093
1976	1787980002.4870784
1977	1781140003.273262
1978	2288629986.8822103
1979	2756209995.9030743
1980	3062900006.0427938
1981	3306929962.387307
1982	3245050022.661688
1983	3303160027.671604
1984	3307910015.1602144
1985	3378130032.8075833
1986	4393250042.146073
1987	5320339998.764913
1988	6169899959.731842
1989	6582830029.271544
1990	7109500069.206578
1991	6612900038.445374
1992	8693599979.637184
1993	8320780099.285769
1994	8436169971.266759
1995	8916449985.601007
1996	6812830020.271251
1997	5753430014.3662815
1998	7590169946.731998
1999	9209519946.448507
2000	7807100012.995303
2001	6566260000.519458
2002	6804989985.134455
2003	6204690087.109806
2004	6795299988.413236
2005	8261439995.257183
2006	6277119992.366063
2007	6838309974.60894
2008	6823439937.489106
2009	7359080039.853227
2010	7781779982.600354
2011	6993679956.600066
2012	7042389999.914912
2013	9644890142.84684
2014	7399400017.621001
2015	6629620021.779091
2016	6358940102.260563
2017	6614910037.573425
2018	6554419936.822728
2019	5660009976.968169
2020	9432779962.059105
2021	8874209920.313211
2022	7262140054.848048