Year	current US$
1960	13858875000
1961	14044045000
1962	13272831000
1963	13776790000
1964	16790556000
1965	17554910000
1966	18252424000
1967	18891848000
1968	20388622000
1969	21497572000
1970	22075292000
1971	23934982000
1972	26465752000
1973	42114767000
1974	67276606000
1975	87294022000
1976	93492357000
1977	115284721000
1978	129268953000
1979	146724378000
1980	194513471000
1981	224009279448.5
1982	212645088575.41998
1983	199457013053.16003
1984	193119770775.67
1985	172983547299.22998
1986	162718829184.76
1987	182153844314.94003
1988	199983029072.86996
1989	209725501803.31
1990	256915569859.21002
1991	300328436556.25
1992	350983201282.31995
1993	354826807960.58997
1994	378086457918.69
1995	432873502667.42
1996	484427940092.3
1997	538010977252.73004
1998	562862723130.4701
1999	565031803750.5901
2000	664078792292
2001	637855879580
2002	654851399310
2003	724608165658
2004	920949614558
2005	1086639747169
2006	1265433257171
2007	1586666893224
2008	1988230798539
2009	1568286311300
2010	1989167952179
2011	2365337290459
2012	2493829044772
2013	2529808187120
2014	2543701666924
2015	2288059748165
2016	2134878391238
2017	2377199567386
2018	2595502119311
2019	2479044925131
2020	2121126077750