Year	current US$
1963	19900000
1964	21100000
1965	20700000
1966	23800000
1967	25000000
1969	36538000
1970	41439000
1971	47260000
1972	70431000
1973	97959000
1974	105661000
1975	130997999.99999999
1976	186484000
1977	223184000
1978	258659000
1979	389510000
1980	539598000
1981	700302000
1982	720212000
1983	754641000
1984	659172000
1985	906701000
1986	1031084000.0000001
1987	1395559000
1988	1493676000
1989	1637568712
1990	1690131445
1991	1660831640
1992	1757223976
1993	1768719379
1994	1845465342
1995	1990638608
1996	2150611963
1997	2139707160
1998	2122838928.0000002
1999	2182794108
2000	2539954646
2001	2297882033
2002	2359008933
2003	2533261380
2004	2811818491
2005	2475935876
2006	2557321022
2007	2542618657
2008	1997464182
2009	960944072
2010	869843233
2011	873589356
2012	1021651760
2013	1138282757
2014	1241334362
2015	1279245276
2016	1256595598
2017	1405869098
2018	1510366059
2019	1487177635
2020	991683361