Year Percent Change at Annual Rate 1961-01-01 3.28074667738495 1962-01-01 3.35568443348014 1963-01-01 3.34119220402913 1964-01-01 3.22185821185403 1965-01-01 3.03203353778834 1966-01-01 2.83352940886918 1967-01-01 2.66632329612742 1968-01-01 2.51940044647603 1969-01-01 2.40618655722675 1970-01-01 2.32406938634122 1971-01-01 2.24420070206139 1972-01-01 2.16735009211386 1973-01-01 2.11547266579637 1974-01-01 2.08653917357067 1975-01-01 2.07577731048896 1976-01-01 2.05941311567838 1977-01-01 2.04195936893379 1978-01-01 2.06303454212527 1979-01-01 2.12330774921739 1980-01-01 2.20419386028523 1981-01-01 2.31193569799059 1982-01-01 2.38504426507862 1983-01-01 2.34030357825617 1984-01-01 2.15060823592212 1985-01-01 1.88003972322296 1986-01-01 1.57109022380875 1987-01-01 1.31957195282237 1988-01-01 1.19454866475392 1989-01-01 1.23775857316382 1990-01-01 1.39622614411314 1991-01-01 1.58486031699567 1992-01-01 1.72199235212302 1993-01-01 1.77982548423611 1994-01-01 1.72900539542609 1995-01-01 1.60336305220928 1996-01-01 1.47029442806080 1997-01-01 1.36638013596387 1998-01-01 1.27612474426834 1999-01-01 1.20427926437179 2000-01-01 1.15189242412383 2001-01-01 1.09438065874630 2002-01-01 1.04426019483188 2003-01-01 1.03486359975440 2004-01-01 1.07600981051810 2005-01-01 1.15371945193445 2006-01-01 1.24607691064402 2007-01-01 1.32204459202131 2008-01-01 1.36880448304161 2009-01-01 1.36860141258521 2010-01-01 1.33918457074830 2011-01-01 1.29474964048532 2012-01-01 1.27231455129231 2013-01-01 1.26566395074535 2014-01-01 1.27880106693566 2015-01-01 1.26626022018857 2016-01-01 1.26835823489640 2017-01-01 1.26892365653288