Year	current US$
1965	4130007616.869211
1966	4451334919.454187
1967	4868494640.736354
1968	5755146386.409256
1969	6660736993.280814
1970	7564300239.817614
1971	9232108486.72259
1972	11178141842.107552
1973	13980412826.360067
1974	22053918881.3723
1975	28368781458.714397
1976	33659098288.744946
1977	36414749024.44294
1978	41977531610.90125
1979	45522089233.62633
1980	54864810062.17556
1981	61290361661.31959
1982	69069696190.49603
1983	75780099188.55898
1984	74000571827.57982
1985	78990626183.38945
1986	89050420306.07298
1987	76502664289.91997
1988	75236867633.70076
1989	67191810224.14683
1990	67220515249.8258
1991	41012102726.948425
1992	46205268812.829254
1993	45591439613.25327
1994	47511663465.07732
1995	49551778710.341324
1996	52361761970.43395
1997	56448449820.1511
1998	61204906431.086754
1999	61658715341.959854
2000	64754770783.74016
2001	68333652563.035835
2002	66212508214.89491
2003	68939354541.98026
2004	85204313121.00107
2005	96177397491.17561
2006	108269267062.41386
2007	127138961945.29144
2008	156997150793.87695
2009	171573975719.41418
2010	192364861059.04065
2011	262225386012.60785
2012	271876297813.9153
2013	255833977893.39008
2014	260431557702.77182
2015	245863126290.4733
2016	249032978181.5179
2017	243650569713.53912
2018	222313173291.2016
2019	229770090601.19833
2020	212619223854.59113
2021	214723171019.40488
2022	224759203119.1666
2023	222620276964.59973