Quarter	Percent Change
1970-04-01	1.34123602208964000
1970-07-01	1.94237983686403000
1970-10-01	3.00282506737192000
1971-01-01	2.91544734838955000
1971-04-01	1.86681635442793000
1971-07-01	1.25727957933992000
1971-10-01	0.87369752042832500
1972-01-01	1.14461901800088000
1972-04-01	1.47436869307474000
1972-07-01	0.68594763591867500
1972-10-01	0.78573901067994000
1973-01-01	1.71968457346206000
1973-04-01	1.84801154782836000
1973-07-01	1.89009017689531000
1973-10-01	1.74834116419544000
1974-01-01	1.61332431441772000
1974-04-01	2.17461501435048000
1974-07-01	2.92552537784453000
1974-10-01	3.06859570281469000
1975-01-01	1.93967521007765000
1975-04-01	0.52903888434802300
1975-07-01	-0.27843475556892800
1975-10-01	-0.40647429136863800
1976-01-01	0.07200388298282850
1976-04-01	0.94229363511906100
1976-07-01	1.54801764133207000
1976-10-01	1.23252915765129000
1977-01-01	1.08852135104384000
1977-04-01	1.25859455467620000
1977-07-01	1.14509151977390000
1977-10-01	0.97900015786280100
1978-01-01	1.44492819616240000
1978-04-01	1.65033327129765000
1978-07-01	0.68364740575107900
1978-10-01	0.73837942446058900
1979-01-01	0.74105778782696400
1979-04-01	0.17195209075482300
1979-07-01	1.23698716879031000
1979-10-01	2.00668582226444000
1980-01-01	2.24201554308404000
1980-04-01	2.72015514350921000
1980-07-01	2.60836361802393000
1980-10-01	1.89683414781063000
1981-01-01	1.08351439443744000
1981-04-01	0.84113908626873800
1981-07-01	0.52211142064629100
1981-10-01	0.82163136568951300
1982-01-01	1.26543197272537000
1982-04-01	1.32247708742146000
1982-07-01	1.66491063833549000
1982-10-01	0.41349129453924700
1983-01-01	-0.67666050276531800
1983-04-01	0.23567065058217700
1983-07-01	0.15924068180091600
1983-10-01	-0.29470391810986400
1984-01-01	0.26453143310983800
1984-04-01	0.18907689870969600
1984-07-01	0.10192330597263100
1984-10-01	0.21273915973759000
1985-01-01	0.11140103028329500
1985-04-01	0.32033633854393600
1985-07-01	0.71101919185392600
1985-10-01	1.25573456192855000
1986-01-01	1.42486492734078000
1986-04-01	1.19189163731169000
1986-07-01	1.18018103583664000
1986-10-01	1.66330187590745000
1987-01-01	1.62705764213129000
1987-04-01	0.75670828048429600
1987-07-01	0.28829729590004100
1987-10-01	-0.01391461220012450
1988-01-01	0.00617653428632222
1988-04-01	0.07641367806303730
1988-07-01	-0.24853825099922300
1988-10-01	-0.26983357512489400
1989-01-01	-0.27063424773639300
1989-04-01	0.03128701350910250
1989-07-01	0.45527629192702600
1989-10-01	0.77869758956489100
1990-01-01	1.63776875181967000
1990-04-01	1.42835141959998000
1990-07-01	0.02199687078144160
1990-10-01	-0.41889292484475800
1991-01-01	0.62301502975499700
1991-04-01	1.60526299633200000
1991-07-01	1.91664682920962000
1991-10-01	1.83602312820266000
1992-01-01	1.29584205035304000
1992-04-01	1.90919246536748000
1992-07-01	2.92703521929162000
1992-10-01	2.36700506115481000
1993-01-01	0.82549347249093700
1993-04-01	-0.04049152222183980
1993-07-01	0.03654629110808240
1993-10-01	-0.26780515728599600
1994-01-01	-0.87983038373662400
1994-04-01	-1.04188615484743000
1994-07-01	-0.67831314041235100
1994-10-01	0.14299525306138300
1995-01-01	1.03193249336382000
1995-04-01	1.38612986475309000
1995-07-01	1.26961766346935000
1995-10-01	0.84657532879549400
1996-01-01	0.13815853805850300
1996-04-01	-0.34055032236065200
1996-07-01	-0.42077599558262000
1996-10-01	-0.35065995148534900
1997-01-01	-0.88649861038629000
1997-04-01	-1.55421397829688000
1997-07-01	-1.11289643218108000
1997-10-01	-0.37775062539488500
1998-01-01	0.39878617509704100
1998-04-01	0.82834985469423900
1998-07-01	0.86905144980623200
1998-10-01	0.75996865882251100
1999-01-01	-0.06451884561861850
1999-04-01	-0.62594395629148700
1999-07-01	-1.01799587713054000
1999-10-01	-0.99848193718075900
2000-01-01	-0.19737978639841700
2000-04-01	0.08222187749782040
2000-07-01	-0.12871900792628100
2000-10-01	-0.28899586418762100
2001-01-01	0.07345564762727380
2001-04-01	0.82136859360862200
2001-07-01	0.91635456931595800
2001-10-01	0.55002753459596700
2002-01-01	0.14353522505927000
2002-04-01	-0.36444953411474200
2002-07-01	-0.55801937413480000
2002-10-01	-0.23243116473884100
2003-01-01	0.16641414436455200
2003-04-01	-0.02727841624103280
2003-07-01	-0.72870625169665400
2003-10-01	-1.13017238704518000
2004-01-01	-1.43838596316352000
2004-04-01	-1.30046447002312000
2004-07-01	-0.44213535829694300
2004-10-01	0.02744648259304480
2005-01-01	-0.53019148624420500
2005-04-01	-1.26061871696341000
2005-07-01	-0.80941102308365500
2005-10-01	-0.53248483226550500
2006-01-01	-0.79980167432818200
2006-04-01	-0.35974171345116800
2006-07-01	-0.37723616607942100
2006-10-01	-1.06526817521905000
2007-01-01	-0.72474139138996800
2007-04-01	-0.07938376703123030
2007-07-01	-0.13268795327413200
2007-10-01	0.65450890882133700
2008-01-01	1.44735114849458000
2008-04-01	1.52352499011284000
2008-07-01	1.77639188385410000
2008-10-01	1.43305976752709000
2009-01-01	1.36861247868402000
2009-04-01	1.36614869186483000
2009-07-01	0.72038842246371600
2009-10-01	0.52337671655423800
2010-01-01	-0.04962922802148530
2010-04-01	-0.60852056660663300
2010-07-01	-0.54547118681238200
2010-10-01	-0.40946284172248600
2011-01-01	0.00716417537090804