Year	US Dollars adjusted for inflation)
1960	5580564723.13899
1961	6034690135.68024
1962	6464466446.64467
1963	7109937660.43272
1964	6848258159.14925
1965	7368536853.68537
1966	8169636963.69637
1967	9173157315.73158
1968	10422368903.557
1969	11852805280.5281
1970	13498643197.6531
1971	15129446277.9611
1972	17175944261.0928
1973	19087275394.2061
1974	20321818848.55149
1975	21258452511.9179
1976	22839383938.3939
1977	24549174917.49181
1978	26685735240.19069
1979	29199413274.6608
1980	32127172717.2718
1981	35559589292.26261
1982	38110084341.7676
1983	41364869820.3154
1984	45005207187.3855
1985	44696002933.6267
1986	45289402273.5607
1987	50161129446.278
1988	55736633663.3664
1989	61412394572.7907
1990	67580784745.1412
1991	72099963329.66638
1992	77210121012.1013
1993	86118151815.18158
1994	95526952695.26961
1995	102240630729.74001
1996	109941327466.08002
1997	119056692335.90001
1998	116407407407.40703
1999	123502676934.36002
2000	134491382471.58098
2001	133210634396.77298
2002	138821048771.54404
2003	144978217821.78198
2004	158822442244.224
2005	170716905023.836
2006	185842757609.09402
2007	202775870920.42499
2008	206400733406.67395
2009	205155335533.55301
2010	236421782178.21802
2011	251436156949.02805
2012	261703043637.69696
2013	275078914558.12201
2014	285762669600.29303
2015	292166776677.66797
2016	299170077007.70105
2017	309995672900.62292