Year	current US$
1970	8662429724.5945
1971	9645653682.20271
1972	8445971105.31092
1973	5696744738.81008
1974	7711550956.80957
1975	9784966852.80891
1976	11500724021.6468
1977	12964985246.2451
1978	15554729676.6383
1979	16302846515.6141
1980	21456008414.2768
1981	25609032343.4338
1982	27953356181.4282
1983	25961000366.6788
1984	28161541846.8304
1985	27942264863.0847
1986	28516721856.7
1987	29745799088.2395
1988	34416171776.6889
1989	35808396591.225
1990	35290884039.3715
1991	40414169739.5695
1992	42893948175.5139
1993	45521567417.4605
1994	45848493971.02
1995	53221686728.6824
1996	55328199658.9117
1997	54238402366.3872
1998	53844716201.919
1999	55078372989.9196
2000	71435724232.6382
2001	69142617285.4626
2002	69249859758.5101
2003	80348562413.9369
2004	94911109359.8778
2005	105508532730.561
2006	120915391232.387
2007	134750517012.195
2008	151302099091.614
2009	151322138630.61
2010	161090757161.8
2011	196247353307.366
2012	206129623348.196
2013	213155853055.225
2014	226181709000.193
2015	251937055179.524
2016	292507661560.589
2017	316584717383.637
2018	331564460593.434
2019	298462131376.902
2020	279591456968.168
2021	326464029639.238