Year Millions of 2000 Dollars 1960-01-01 0.4345180000000000 1961-01-01 0.4456710000000000 1962-01-01 0.4772100000000000 1963-01-01 0.5189750000000000 1964-01-01 0.5234100000000000 1965-01-01 0.6082569999999999 1966-01-01 0.6326410000000000 1967-01-01 0.6509900000000000 1968-01-01 0.6858740000000000 1969-01-01 0.7393990000000000 1970-01-01 0.7363430000000001 1971-01-01 0.8314969999999999 1972-01-01 0.9122319999999999 1973-01-01 1.1712500000000000 1974-01-01 1.4955399999999999 1975-01-01 1.9439400000000002 1976-01-01 2.2586500000000000 1977-01-01 2.2586500000000000 1978-01-01 2.2586500000000000 1979-01-01 2.2586500000000000 1980-01-01 2.2586500000000000 1981-01-01 2.2586500000000000 1982-01-01 2.2586500000000000 1983-01-01 2.2586500000000000 1984-01-01 2.2586500000000000 1985-01-01 2.2586500000000000 1986-01-01 2.2586500000000000 1987-01-01 2.2586500000000000 1988-01-01 2.2586500000000000 1989-01-01 2.2586500000000000 1990-01-01 2.2586500000000000 1991-01-01 2.2586500000000000 1992-01-01 2.2586500000000000 1993-01-01 2.2586500000000000 1994-01-01 2.2586500000000000 1995-01-01 2.2586500000000000 1996-01-01 2.2586500000000000 1997-01-01 2.2586500000000000 1998-01-01 2.2586500000000000 1999-01-01 2.2586500000000000 2000-01-01 2.2586500000000000 2001-01-01 2.2586500000000000 2002-01-01 2.2586500000000000 2003-01-01 2.2586500000000000 2004-01-01 11255.6000000000000000 2005-01-01 11150.6000000000000000 2006-01-01 16328.9000000000000000 2007-01-01 23459.0000000000000000 2008-01-01 32851.4000000000000000 2009-01-01 40590.6000000000000000 2010-01-01 52472.7000000000000000 2011-01-01 61509.4000000000000000 2012-01-01 63102.9000000000000000 2013-01-01 72076.3000000000000000 2014-01-01 74149.6000000000000000 2015-01-01 66144.7000000000000000 2016-01-01 69374.6000000000000000