Quarterly 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