Year	current US$
1960	96900000
1961	97900000
1962	100800000
1963	117700000
1964	125000000
1965	118500000
1966	131199999.99999999
1967	125900000
1968	187200000
1969	232914000
1970	231432000
1971	204781000
1972	229722000
1973	368527000
1974	475994000
1975	447870000
1976	512741000
1977	701601000
1978	797527000
1979	1130901000
1980	1383002000
1981	1113374000
1982	999638000
1983	1116141000
1984	1030175999.9999999
1985	1197296673
1986	790550000
1987	808026000
1988	1582167583
1989	1281444000
1990	2025796677
1991	1908521329
1992	1840374996
1993	1354067108
1994	1359655766
1995	1652354786
1996	1768873072
1997	1858087915
1998	1671029807
1999	1600606447
2000	1820595520
2001	1736780299
2002	1789424638
2003	2176098027
2004	2045807247
2005	2776157565
2006	3484779358
2007	4126624599
2008	2162789130
2009	1799065088
2010	4220118068
2011	4425514574
2012	4279287658.9999995
2013	4457088127
2014	5200135063
2015	4031683204
2016	2158477011
2017	3265765120
2018	3946524668
2019	4587120872
2020	3938400534