Quarter Percent Change 1976-04-01 0.13299896958593600 1976-07-01 0.26564465532826400 1976-10-01 0.39741125007224900 1977-01-01 0.52778421364990900 1977-04-01 1.53338608402621000 1977-07-01 2.50337252565554000 1977-10-01 3.41112345263446000 1978-01-01 4.23553335044164000 1978-04-01 2.46035873765101000 1978-07-01 0.83670594038213700 1978-10-01 -0.72182726932090000 1979-01-01 -2.28994721078353000 1979-04-01 -1.13237184383494000 1979-07-01 0.07977444361589290 1979-10-01 1.30385007812584000 1980-01-01 2.49545238063382000 1980-04-01 2.55508112337601000 1980-07-01 2.60880934307033000 1980-10-01 2.65688246693975000 1981-01-01 2.69955993456783000 1981-04-01 1.77282947061495000 1981-07-01 0.90108495320391700 1981-10-01 0.05968437545464040 1982-01-01 -0.77320768776597800 1982-04-01 -0.62565522117346100 1982-07-01 -0.47504984098862400 1982-10-01 -0.32203523061126200 1983-01-01 -0.16729181589377000 1983-04-01 0.34936556445836800 1983-07-01 0.86328726684199200 1983-10-01 1.36662736281275000 1984-01-01 1.85204574108157000 1984-04-01 1.60206746411351000 1984-07-01 1.36391536331934000 1984-10-01 1.13553697955952000 1985-01-01 0.91511944654423900 1985-04-01 0.87007015818796700 1985-07-01 0.82613148480960400 1985-10-01 0.78322720436290800 1986-01-01 0.74128601018348100 1986-04-01 0.71254634683595400 1986-07-01 0.68438474021336200 1986-10-01 0.65676960399790200 1987-01-01 0.62967096749832400 1987-04-01 0.53469095296535400 1987-07-01 0.44129142534297400 1987-10-01 0.34919469767229900 1988-01-01 0.25813538669256900 1988-04-01 -0.05317293369265550 1988-07-01 0.02895706557461840 1988-10-01 0.15656602977494000 1989-01-01 0.47803823849044500 1989-04-01 0.95779716185406600 1989-07-01 1.22999529890548000 1989-10-01 1.30351447511141000 1990-01-01 1.13362383550609000 1990-04-01 0.98541774547883600 1990-07-01 0.93273849417954400 1990-10-01 0.93596931751012400 1991-01-01 1.08720868829064000 1991-04-01 1.03783271935696000 1991-07-01 0.97146264731775000 1991-10-01 1.17579734923616000 1992-01-01 1.32554848622191000 1992-04-01 1.33942021363062000 1992-07-01 1.28619518145221000 1992-10-01 1.16455867035395000 1993-01-01 0.94288859161349400 1993-04-01 0.62613042097766500 1993-07-01 0.44330601913612600 1993-10-01 0.36687588718557800 1994-01-01 0.24431315846611400 1994-04-01 0.17738685674942700 1994-07-01 0.02922616283957130 1994-10-01 -0.14314676467299000 1995-01-01 0.01966779760154720 1995-04-01 0.21208967555488900 1995-07-01 0.26456832189102700 1995-10-01 0.28458411669427500 1996-01-01 0.23444419566237000 1996-04-01 0.35398147420807300 1996-07-01 0.42319433858106800 1996-10-01 0.19593846808501400 1997-01-01 -0.06818513602502980 1997-04-01 -0.27243882631029200 1997-07-01 -0.33232069674950300 1997-10-01 -0.14482553288757400 1998-01-01 0.02914363537961710 1998-04-01 0.13638015479613200 1998-07-01 0.31509399285248100 1998-10-01 0.34405206247782900 1999-01-01 0.24652167922598900 1999-04-01 0.21042278194808900 1999-07-01 0.24694406154624200 1999-10-01 0.18341035637010900 2000-01-01 0.04066689792743350 2000-04-01 0.00751715414689641 2000-07-01 -0.00269011177561468 2000-10-01 0.16013052687049700 2001-01-01 0.46292748657138600 2001-04-01 0.52505908008567800 2001-07-01 0.31516439651150400 2001-10-01 0.04968642481125750 2002-01-01 -0.07766579673761550 2002-04-01 0.00254256057936672 2002-07-01 0.24831817048408700 2002-10-01 0.60486982810739000 2003-01-01 0.80028846344814600 2003-04-01 0.63079570762194200 2003-07-01 0.38652038991123800 2003-10-01 0.12699186860746000 2004-01-01 -0.06194422119620380 2004-04-01 0.06979674347566880 2004-07-01 0.36327812865640800 2004-10-01 0.60099155434931800 2005-01-01 0.61189087704698800 2005-04-01 0.52062024616762400 2005-07-01 0.44342982589527800 2005-10-01 0.31818686261925000 2006-01-01 0.30127728251122500 2006-04-01 0.36156588712282100 2006-07-01 0.35931904720618100 2006-10-01 0.32675122440089600 2007-01-01 0.34893539238618800 2007-04-01 0.46344522171506400 2007-07-01 0.57262640818320100 2007-10-01 0.60068670011615700 2008-01-01 0.69338205313287300 2008-04-01 0.90326683200737600 2008-07-01 1.02543375560067000 2008-10-01 1.04114153585896000 2009-01-01 0.90443001956606200 2009-04-01 0.55724380736179200 2009-07-01 0.26737345874440700 2009-10-01 0.14990532333699600 2010-01-01 0.15547621986723900 2010-04-01 0.21855035349512800 2010-07-01 0.23798299704206200 2010-10-01 0.29913871693462200 2011-01-01 0.39383203479704400