Year	current US$
1960	68400000
1961	65900000.00000001
1962	65300000
1963	68100000
1964	79800000
1965	75000000
1966	68900000
1967	75500000
1968	70200000
1969	64037000.00000001
1970	72725000
1971	83071000
1972	120161000
1973	170992000
1974	308858000
1975	331361000
1976	358665000
1977	446238000
1978	496639000
1979	566224000
1980	613659000
1981	553856000
1982	462856000
1983	439831000
1984	471503000
1985	522116000
1986	675678000
1987	993083000
1988	1298061986
1989	1323561235
1990	1619433540
1991	1556958851
1992	1623958213
1993	1717585962
1994	1922455184
1995	1975058930
1996	2292948916
1997	2264297766
1998	2184444603
1999	2248461161
2000	2088012306
2001	1996263554
2002	2165877036
2003	2387603056
2004	2773959357
2005	3161383549
2006	3638440792
2007	3865887475
2008	4566221758
2009	3614749561
2010	4235456967
2011	5119465510
2012	5298144407
2013	5175931039
2014	5392652655
2015	4690874446
2016	4654342390
2017	5251168051
2018	5680539858
2019	5610450813
2020	4526703030