Year	current US$
1960	1425351000
1961	1496716000
1962	1545362000
1963	2181908000
1964	2782029000
1965	2710962000
1966	3388838000
1967	3291114000
1968	3705119000
1969	4295939000
1970	4670957000
1971	3634264000
1972	5171332000
1973	6762521000
1974	8651200000
1975	6077988000
1976	6821366000
1977	8019387000
1978	7419896000
1979	9279093000
1980	10208591000
1981	10996471305.973001
1982	10240007959.334
1983	10938794408.116001
1984	11436386942.153
1985	10967365790.539997
1986	11024057941.053997
1987	12119746129.057995
1988	12764109292.704004
1989	13627278640.155998
1990	18642148803.63
1991	15646403152.649996
1992	16384893182.617998
1993	15709914998.5
1994	17435663875.085003
1995	21438654727.701004
1996	23671391585.378998
1997	23332829470.892006
1998	22475189847.701004
1999	24480965777.712
2000	55028643662
2001	56102959349
2002	58886203919
2003	62294163213
2004	71318699706
2005	86176876475
2006	96927365123
2007	120459608550
2008	153263571214
2009	120748413737
2010	151745324508
2011	183813407154
2012	179083022910
2013	196630275294
2014	190378341297
2015	148415693341
2016	146099482925
2017	159304310320
2018	184017328149
2019	185107902035
2020	168165735801