Year US Dollars, Sum Over Component Sub-periods 1960-01-01 3742590000.000000 1961-01-01 3920340000.000000 1962-01-01 4029190000.000000 1963-01-01 4080000000.000000 1964-01-01 4331190000.000000 1965-01-01 4510300000.000000 1966-01-01 5027800000.000000 1967-01-01 5595850000.000000 1968-01-01 5804650000.000000 1969-01-01 6432390000.000000 1970-01-01 7726970000.000000 1971-01-01 9107030000.000000 1972-01-01 10132610000.000000 1973-01-01 12450530000.000000 1974-01-01 15230600000.000000 1975-01-01 16973220000.000002 1976-01-01 18037310000.000000 1977-01-01 20375680000.000000 1978-01-01 24194100000.000000 1979-01-01 30953560000.000000 1980-01-01 36712380000.000000 1981-01-01 34848860000.000000 1982-01-01 31887890000.000000 1983-01-01 30932610000.000000 1984-01-01 30465350000.000000 1985-01-01 33011989999.999996 1986-01-01 39151800000.000000 1987-01-01 47614260000.000000 1988-01-01 51752890000.000000 1989-01-01 51588650000.000000 1990-01-01 65193670000.000000 1991-01-01 66622649999.999990 1992-01-01 72439530000.000000 1993-01-01 71869700000.000000 1994-01-01 81045150000.000000 1995-01-01 93184810000.000000 1996-01-01 101329710000.000000 1997-01-01 110815500000.000000 1998-01-01 117227850000.000000 1999-01-01 124430710000.000000 2000-01-01 124793560000.000000 2001-01-01 128679810000.000000 2002-01-01 141233350000.000000 2003-01-01 172351210000.000000 2004-01-01 212043240000.000000 2005-01-01 234754220000.000000 2006-01-01 266269360000.000000 2007-01-01 321231830000.000000 2008-01-01 326542370000.000000 2009-01-01 272010260000.000000 2010-01-01 281137590000.000000 2011-01-01 311734640000.000000 2012-01-01 308721530000.000000 2013-01-01 313996660000.000000