Quarter Percent Change 1970-04-01 0.98344698241334800 1970-07-01 1.94773904294698000 1970-10-01 2.86579035912303000 1971-01-01 3.71460118674799000 1971-04-01 3.00636203192690000 1971-07-01 2.36020708871041000 1971-10-01 1.76025085008847000 1972-01-01 1.19370380027297000 1972-04-01 1.75548622458600000 1972-07-01 2.29112948510014000 1972-10-01 2.79306565318379000 1973-01-01 3.25539350019618000 1973-04-01 3.74412525730964000 1973-07-01 4.17902387564056000 1973-10-01 4.55854522977714000 1974-01-01 4.88310490241647000 1974-04-01 5.34298938270806000 1974-07-01 5.72436718032876000 1974-10-01 6.03147707648797000 1975-01-01 6.27033483324338000 1975-04-01 5.77238758775432000 1975-07-01 5.35153018689942000 1975-10-01 4.48533640348651000 1976-01-01 3.40545315122350000 1976-04-01 2.43266327984006000 1976-07-01 1.78812378404656000 1976-10-01 1.63382565697221000 1977-01-01 1.77923042267269000 1977-04-01 1.55163108684373000 1977-07-01 0.98720358025766700 1977-10-01 0.49166448592132300 1978-01-01 0.18179377487450000 1978-04-01 0.53776778022789700 1978-07-01 1.36553041270319000 1978-10-01 1.74591602727897000 1979-01-01 1.53044994625571000 1979-04-01 1.33607607743327000 1979-07-01 1.46803048351431000 1979-10-01 1.89128588015610000 1980-01-01 2.79323784684260000 1980-04-01 3.46309030042659000 1980-07-01 3.50277366328075000 1980-10-01 3.35641124560170000 1981-01-01 2.90041859726463000 1981-04-01 2.44280458716044000 1981-07-01 2.15468762981894000 1981-10-01 1.98746520815145000 1982-01-01 1.95063452807635000 1982-04-01 1.70770743502489000 1982-07-01 1.43732024964682000 1982-10-01 1.34207839497987000 1983-01-01 1.30238208308404000 1983-04-01 1.46259844062835000 1983-07-01 1.85042982760182000 1983-10-01 1.95331959256948000 1984-01-01 1.81057547828496000 1984-04-01 1.74661807900946000 1984-07-01 1.47696535859225000 1984-10-01 1.20548283480464000 1985-01-01 1.23787437670629000 1985-04-01 1.35632139694877000 1985-07-01 1.32616814648504000 1985-10-01 1.14025361423987000 1986-01-01 0.84930699718487500 1986-04-01 0.40464756112558700 1986-07-01 0.33530429642153500 1986-10-01 0.81068590946149700 1987-01-01 1.10016003457874000 1987-04-01 1.20632316003946000 1987-07-01 1.29301277389514000 1987-10-01 1.28171340123133000 1988-01-01 1.44453404462556000 1988-04-01 1.66308730178839000 1988-07-01 1.90497416361881000 1988-10-01 2.29039843250501000 1989-01-01 2.61401476818167000 1989-04-01 2.62623152498231000 1989-07-01 2.24470130205238000 1989-10-01 1.88591147557032000 1990-01-01 1.64495457070347000 1990-04-01 1.47096728628237000 1990-07-01 1.42861504281801000 1990-10-01 1.14669627611347000 1991-01-01 0.73208738577518100 1991-04-01 0.39461596442837100 1991-07-01 -0.09288505846902700 1991-10-01 -0.68228330185031300 1992-01-01 -1.10526986495209000 1992-04-01 -1.26060536400603000 1992-07-01 -1.30899265044653000 1992-10-01 -1.33840699703960000 1993-01-01 -1.45769600519044000 1993-04-01 -1.73881035900123000 1993-07-01 -1.84301444902816000 1993-10-01 -1.58276460193216000 1994-01-01 -1.01492139240189000 1994-04-01 -0.26350563588499700 1994-07-01 0.49010343071302000 1994-10-01 1.03388030153042000 1995-01-01 1.20415471467000000 1995-04-01 1.19633222914766000 1995-07-01 0.96909523997982200 1995-10-01 0.39838790241282800 1996-01-01 -0.07497664130504140 1996-04-01 -0.27187683613441800 1996-07-01 -0.33609900820265100 1996-10-01 -0.13810652896963500 1997-01-01 -0.05021738067703660 1997-04-01 -0.25295424992982300 1997-07-01 -0.29271437304622900 1997-10-01 -0.06496771360698790 1998-01-01 0.28494617810716600 1998-04-01 0.39684670549752300 1998-07-01 0.34523252531770100 1998-10-01 0.26379815264335000 1999-01-01 0.09594952979077350 1999-04-01 0.17586457748789300 1999-07-01 0.25768995454395400 1999-10-01 -0.03504763734660520 2000-01-01 -0.22298342893130800 2000-04-01 -0.10184230427590200 2000-07-01 0.09507483047605970 2000-10-01 0.51888142746506700 2001-01-01 0.93132642733699200 2001-04-01 0.84451803815545800 2001-07-01 0.52484608154341300 2001-10-01 0.22669154795799400 2002-01-01 -0.13785874958471800 2002-04-01 -0.27282600348372900 2002-07-01 -0.09737945191484460 2002-10-01 0.00431833362763306 2003-01-01 0.09989540809035910 2003-04-01 0.11640718520388200 2003-07-01 -0.12636500082493300 2003-10-01 -0.33801396505845900 2004-01-01 -0.50026050461038700 2004-04-01 -0.53207425346021800 2004-07-01 -0.24646906216487200 2004-10-01 0.22423150323292300 2005-01-01 0.64808564538614300 2005-04-01 0.80166996027519300 2005-07-01 0.60330599640498000 2005-10-01 0.14534510219588200 2006-01-01 -0.16648259609500000 2006-04-01 -0.22473995572086700 2006-07-01 -0.28532635101976200 2006-10-01 -0.39568033553042000 2007-01-01 -0.46013853750729800 2007-04-01 -0.19901113562778300 2007-07-01 0.35830338430094900 2007-10-01 1.07426054175887000 2008-01-01 1.71409472575855000 2008-04-01 1.89999321712860000 2008-07-01 2.04378445345005000 2008-10-01 2.07579040116689000 2009-01-01 1.66782284766182000 2009-04-01 1.16898552724594000 2009-07-01 0.55297232557449400 2009-10-01 -0.04452405531755320 2010-01-01 -0.31247111271142100 2010-04-01 -0.30615495243659100 2010-07-01 -0.20672162067841100 2010-10-01 -0.09573959227585580 2011-01-01 0.02316649821625240