Quarter Percent Change 1970-04-01 0.95528297501026900 1970-07-01 1.89248740442620000 1970-10-01 2.78600631983745000 1971-01-01 3.61398908702669000 1971-04-01 2.95230411345148000 1971-07-01 2.34737121065550000 1971-10-01 1.78519474734278000 1972-01-01 1.25446133884655000 1972-04-01 1.76614040135201000 1972-07-01 2.25356019385272000 1972-10-01 2.71054734667678000 1973-01-01 3.13229810477881000 1973-04-01 3.56854451874967000 1973-07-01 3.95865758653827000 1973-10-01 4.30144831040753000 1974-01-01 4.59723377181067000 1974-04-01 5.00484941263094000 1974-07-01 5.34691650479114000 1974-10-01 5.62667624936305000 1975-01-01 5.84873128065524000 1975-04-01 6.00108122281292000 1975-07-01 5.51844445210843000 1975-10-01 4.60484333133114000 1976-01-01 3.32010060231704000 1976-04-01 2.10794893317938000 1976-07-01 1.52537426780031000 1976-10-01 1.54203332183280000 1977-01-01 1.69113914479966000 1977-04-01 1.45149246043766000 1977-07-01 0.83910525770723400 1977-10-01 0.28532292879595400 1978-01-01 0.11182998806281500 1978-04-01 0.55951596527968200 1978-07-01 1.25811544781329000 1978-10-01 1.56665376204230000 1979-01-01 1.49832088774220000 1979-04-01 1.54585875596127000 1979-07-01 1.75559865949770000 1979-10-01 1.91491819838412000 1980-01-01 2.48400532232800000 1980-04-01 3.03485674986139000 1980-07-01 3.24130515183832000 1980-10-01 3.60465831165569000 1981-01-01 3.53542062163243000 1981-04-01 3.09045371710339000 1981-07-01 2.65161106376366000 1981-10-01 2.12746621133007000 1982-01-01 1.82454073618192000 1982-04-01 1.62860822105555000 1982-07-01 1.45751039041937000 1982-10-01 1.44474897463123000 1983-01-01 1.51215036845024000 1983-04-01 1.75572712328860000 1983-07-01 2.18299893465774000 1983-10-01 2.30820295265360000 1984-01-01 2.04149731862984000 1984-04-01 1.78914773834112000 1984-07-01 1.52462598222378000 1984-10-01 1.45512074751502000 1985-01-01 1.68560674028282000 1985-04-01 1.78534745016803000 1985-07-01 1.63688820601701000 1985-10-01 1.37234761304299000 1986-01-01 1.06146103684300000 1986-04-01 0.69441724724673800 1986-07-01 0.75025982323216900 1986-10-01 1.24400909955709000 1987-01-01 1.37115142152287000 1987-04-01 1.30203563716141000 1987-07-01 1.16446358471767000 1987-10-01 0.90834089345366600 1988-01-01 1.15364263218966000 1988-04-01 1.55772324484870000 1988-07-01 1.45624392691578000 1988-10-01 1.17097396288772000 1989-01-01 1.03017032872644000 1989-04-01 1.02646621008832000 1989-07-01 1.27071899381923000 1989-10-01 1.79223288958927000 1990-01-01 2.21854454171504000 1990-04-01 2.34922191802254000 1990-07-01 2.42660133486159000 1990-10-01 2.34497045202197000 1991-01-01 1.88640868187975000 1991-04-01 1.23941169611123000 1991-07-01 0.58561549776558700 1991-10-01 -0.06504004514228340 1992-01-01 -0.59626640913242100 1992-04-01 -0.79108694237650800 1992-07-01 -0.98798263845993400 1992-10-01 -1.35683478540223000 1993-01-01 -1.51884617329037000 1993-04-01 -1.52898690362063000 1993-07-01 -1.37808299379886000 1993-10-01 -0.98092883032996800 1994-01-01 -0.56025668027672700 1994-04-01 -0.22168351299991200 1994-07-01 0.14287632012385200 1994-10-01 0.47192742511228200 1995-01-01 0.62017971784767000 1995-04-01 0.76954410402504900 1995-07-01 0.74984438483041700 1995-10-01 0.40316823726046800 1996-01-01 0.10109180710873300 1996-04-01 -0.08406425443073830 1996-07-01 -0.21200607920648600 1996-10-01 -0.19810903455320200 1997-01-01 -0.26042980704156500 1997-04-01 -0.39745152599544800 1997-07-01 -0.32454141763223200 1997-10-01 0.01472592532891950 1998-01-01 0.40164156118399600 1998-04-01 0.45161476257423600 1998-07-01 0.33011991707349000 1998-10-01 0.22200379593475900 1999-01-01 0.11000184405560200 1999-04-01 0.21249126129385700 1999-07-01 0.28333834785495700 1999-10-01 0.04647925674650630 2000-01-01 -0.10170578350244600 2000-04-01 0.01354940498305470 2000-07-01 0.22643242230365000 2000-10-01 0.63761893589831300 2001-01-01 1.00948755327196000 2001-04-01 0.96637135398631800 2001-07-01 0.72118953895267800 2001-10-01 0.46811823994833900 2002-01-01 0.18218891229751700 2002-04-01 0.09786903424425900 2002-07-01 0.28814476903691300 2002-10-01 0.43316515102136000 2003-01-01 0.52029176711275000 2003-04-01 0.50226994051929600 2003-07-01 0.25466997418267000 2003-10-01 0.03731068216635620 2004-01-01 -0.09232606460328070 2004-04-01 -0.09802858038446490 2004-07-01 0.10329893611896800 2004-10-01 0.39919309355091600 2005-01-01 0.66287816242179500 2005-04-01 0.71396550459540800 2005-07-01 0.54614360129227100 2005-10-01 0.27420732063689500 2006-01-01 0.09053978433616000 2006-04-01 0.09033411780528560 2006-07-01 0.04599883219231800 2006-10-01 -0.13143612774445000 2007-01-01 -0.21934622134901300 2007-04-01 -0.00662138194620022 2007-07-01 0.46261680435955900 2007-10-01 1.09505623300782000 2008-01-01 1.60551063503763000 2008-04-01 1.73305490904599000 2008-07-01 1.81943615593982000 2008-10-01 1.80616740870098000 2009-01-01 1.49646429348645000 2009-04-01 1.11865809737755000 2009-07-01 0.64514676416409200 2009-10-01 0.20068542645582500 2010-01-01 -0.03681769678673960 2010-04-01 -0.09841696779044400 2010-07-01 -0.08086031969499930 2010-10-01 -0.04771750378266980 2011-01-01 0.02628443315217870