Year Percent Change at Annual Rate 1960-01-01 3.2526836466832900 1961-01-01 3.2529640702619700 1962-01-01 3.2020099668540800 1963-01-01 3.0539504435965800 1964-01-01 2.7932461035436000 1965-01-01 2.4745580803654800 1966-01-01 2.0945749226631600 1967-01-01 1.7724768046038900 1968-01-01 1.6468960424558700 1969-01-01 1.7771377927315400 1970-01-01 2.0575524711182900 1971-01-01 2.4153690339291500 1972-01-01 2.6490504625033700 1973-01-01 2.6010041858289500 1974-01-01 2.1962175534579000 1975-01-01 1.5727786331910700 1976-01-01 0.8760708240980500 1977-01-01 0.3023111778198780 1978-01-01 -0.0520428958802665 1979-01-01 -0.0882969029974666 1980-01-01 0.1047263472086620 1981-01-01 0.4004571491711080 1982-01-01 0.6299154807425120 1983-01-01 0.7198197168244940 1984-01-01 0.5989663131141870 1985-01-01 0.3504249532134520 1986-01-01 0.0260372745413021 1987-01-01 -0.1909354676645090 1988-01-01 -0.1343629701925000 1989-01-01 0.3000831034381150 1990-01-01 0.9818986205725380 1991-01-01 1.8127597262492100 1992-01-01 2.4901166858444200 1993-01-01 2.7608225652912800 1994-01-01 2.5117846872612000 1995-01-01 1.9559101382573200 1996-01-01 1.2308091645895000 1997-01-01 0.7044579178764430 1998-01-01 0.6857542420079590 1999-01-01 1.3617733618513000 2000-01-01 2.4631987593303700 2001-01-01 3.7756949697620500 2002-01-01 4.7367622094108000 2003-01-01 4.9461786163895800 2004-01-01 4.2784781495152300 2005-01-01 3.1488748506113700 2006-01-01 1.7528104078401600 2007-01-01 0.7150486714583870 2008-01-01 0.5997202730684730 2009-01-01 1.7388244981122700 2010-01-01 3.6149389704094600 2011-01-01 5.6309030015003900 2012-01-01 6.9052963669772800 2013-01-01 7.0610198534284100 2014-01-01 6.0164394600149600 2015-01-01 4.3342487706624500 2016-01-01 2.6175735684774800 2017-01-01 1.2522099841661900