Year	current US$
1970	25610705922.70752
1971	30757776917.680645
1972	37420023564.52753
1973	50334957343.27603
1974	58417931057.631
1975	62201502343.780266
1976	64229133461.35381
1977	69073220303.72372
1978	97086880313.1991
1979	113064262945.81102
1980	125305111296.77151
1981	111667193768.45535
1982	114401617494.95148
1983	115794032204.27802
1984	106386335276.84386
1985	108156464531.3581
1986	157785451664.90634
1987	196656659066.5236
1988	212824656598.10016
1989	205602687817.10376
1990	265211907572.70374
1991	265111908647.14087
1992	272694431090.88324
1993	261464812533.83868
1994	289398916429.0415
1995	339473054545.4545
1996	328870016990.29126
1997	281466769792.59973
1998	292007229962.7535
1999	286718229263.7465
2000	265426700615.8219
2001	274071748044.5603
2002	292792670345.1816
2003	343587747085.46814
2004	375304242058.70526
2005	395500153389.0138
2006	410838534056.4684
2007	442776841052.98236
2008	513487167389.89935
2009	519611444720.1544
2010	541300650072.65845
2011	663316351342.6575
2012	623949902164.7471
2013	632484808605.8691
2014	650533840208.0112
2015	621100914581.8503
2016	618627638395.6564
2017	632110154955.4427
2018	649181801510.0645
2019	650652033911.0967
2020	694473332564.0636
2021	713205369249.9193
2022	706288346909.0128
2023	774881997573.707