Year	current US$
1960	1797600000
1961	1867800000
1962	2125600000
1963	2125699999.9999998
1964	2609900000
1965	2819600000
1966	3000600000
1967	3149600000
1968	3221300000
1969	3812450000
1970	4404290000
1971	4613540000
1972	5051510000
1973	7791080000
1974	9876800000
1975	10367350000
1976	12421370000
1977	13236760000
1978	14814710000
1979	18407150000
1980	19409570000
1981	17565170000
1982	16690750000
1983	16265700000
1984	16607180000
1985	18222620000
1986	22844000000
1987	25442000000
1988	26194030000
1989	26297059873
1990	31371652806
1991	31906383020
1992	35216528237
1993	29508246466
1994	33928844817.999996
1995	42230290710
1996	40936676302
1997	44469905951
1998	45900832285
1999	44610057000
2000	45418648491
2001	45319512406
2002	50295152324
2003	57414722468
2004	68153912119.99999
2005	75447257328
2006	85557230927
2007	98106903427
2008	109458000000
2009	83037785833
2010	83011303226
2011	95641217776
2012	91874959845
2013	97366384742
2014	99572187798
2015	85622730733
2016	85512907966
2017	92956898072
2018	102605000000
2019	97824093311
2020	97560670074