Year	current US$
1960	12304340519.43792
1961	13173849239.23514
1962	14087733811.174335
1963	14916251701.1268
1964	16283554669.88066
1965	17681807373.143303
1966	19234910584.05059
1967	19334017378.779892
1968	20403706829.55145
1969	23354029734.12512
1970	32052680442.776882
1971	29815391063.635693
1972	33470488972.2016
1973	35789060006.856186
1974	51518189062.43882
1975	59243366175.90201
1976	71358695957.4885
1977	75267548837.92078
1978	81846895071.48215
1979	100444794858.79855
1980	128870008364.99776
1981	247323986825.62204
1982	226070570770.6721
1983	171776289431.18698
1984	147488279551.96426
1985	148005975332.5685
1986	133626158570.52501
1987	136898130940.9204
1988	144303058843.68185
1989	141950721937.23193
1990	147829716954.31567
1991	158966792466.5121
1992	153779820642.0538
1993	163763454842.52643
1994	182058585829.45773
1995	255612158933.52698
1996	309556012790.4569
1997	325059724110.2339
1998	340153751445.01654
1999	183774429526.02426
2000	226799197386.94336
2001	226318400272.64957
2002	248462838455.27472
2003	280423881008.6594
2004	340143118674.0806
2005	402541987923.41565
2006	498778333888.95917
2007	578188309214.9083
2008	677188107675.7101
2009	631412536974.8903
2010	741312007016.759
2011	847544916121.7972
2012	941695867218.5646
2013	1023665425289.1719
2014	1110564323061.4287
2015	1054056007822.3798
2016	984095717018.7717
2017	967437544352.2806
2018	1056914447272.3889
2019	1077750148722.683
2020	1009467966729.6483
2021	1104603036389.7961
2022	1183656384165.7112
2023	1044015231915.957