Year Percent Change at Annual Rate 1960-01-01 0.7357201600790680 1961-01-01 1.0352711103487800 1962-01-01 1.7985940906196800 1963-01-01 1.8868629861623100 1964-01-01 1.7333242052138800 1965-01-01 1.5781918681502900 1966-01-01 1.0413849683558400 1967-01-01 1.0610603802033800 1968-01-01 1.5501068178484500 1969-01-01 1.6141527431972400 1970-01-01 1.5021861202662800 1971-01-01 1.8143229630895300 1972-01-01 0.2175541947666880 1973-01-01 -0.5417123985696860 1974-01-01 0.9747319462938730 1975-01-01 0.5230615663549820 1976-01-01 0.1808876042587230 1977-01-01 0.0401528490494618 1978-01-01 -0.7508430170636980 1979-01-01 -0.3308667668363300 1980-01-01 0.1284252538858780 1981-01-01 0.3964005595129140 1982-01-01 0.9855132821037480 1983-01-01 0.7023862110250750 1984-01-01 0.5153443122417770 1985-01-01 0.5061540228210260 1986-01-01 -0.0320919010001208 1987-01-01 -0.7931173569447210 1988-01-01 -1.4645601140240800 1989-01-01 -1.5645629096413900 1990-01-01 -1.0515358387763700 1991-01-01 -0.6880563233234840 1992-01-01 -0.3406000205799150 1993-01-01 0.2685534088497530 1994-01-01 0.2291221336758040 1995-01-01 0.3513146841207460 1996-01-01 0.8008414878236140 1997-01-01 0.4432903440670270 1998-01-01 -1.7047505095712200 1999-01-01 -3.5537378161317100 2000-01-01 -4.0753861316228800 2001-01-01 -3.6617798581649000 2002-01-01 0.1223611199243040 2003-01-01 2.0621024671106600 2004-01-01 1.7250295280858700 2005-01-01 2.5500738074023900 2006-01-01 2.5681142571774700 2007-01-01 1.9748621979350200 2008-01-01 1.2582253073275100 2009-01-01 0.6511520617508700 2010-01-01 1.2655141553300400 2011-01-01 1.4208976627667100 2012-01-01 0.8299295950369910 2013-01-01 1.1336789065429900 2014-01-01 1.3476413956365100 2015-01-01 1.3195939025152300 2016-01-01 1.0596901233449700 2017-01-01 0.8425973755980350