Quarter	Percent Change
1966-04-01	0.50426776543218800
1966-07-01	1.00347547357758000
1966-10-01	1.49025875658735000
1967-01-01	1.95783496437620000
1967-04-01	1.74066802691898000
1967-07-01	1.53438782666441000
1967-10-01	1.33736801189319000
1968-01-01	1.14818040360481000
1968-04-01	1.17751995710105000
1968-07-01	1.20569560679516000
1968-10-01	1.23271278561725000
1969-01-01	1.25857900669785000
1969-04-01	1.73568405679759000
1969-07-01	2.19041364883208000
1969-10-01	2.61742293350524000
1970-01-01	3.01253221401158000
1970-04-01	2.79243100588513000
1970-07-01	2.58815678349755000
1970-10-01	2.39768518016286000
1971-01-01	2.21929741440597000
1971-04-01	1.96018905340957000
1971-07-01	1.71563448848313000
1971-10-01	1.48331635608295000
1972-01-01	1.26122782904963000
1972-04-01	1.52924805111133000
1972-07-01	1.78566978499108000
1972-10-01	2.02889593760463000
1973-01-01	2.25764357765227000
1973-04-01	2.98020671776742000
1973-07-01	3.64401496396282000
1973-10-01	4.23957826789068000
1974-01-01	4.76139816001980000
1974-04-01	4.48234562938338000
1974-07-01	4.23009100990903000
1974-10-01	4.00088996803705000
1975-01-01	3.79166338486360000
1975-04-01	3.17779560779253000
1975-07-01	2.61920978368330000
1975-10-01	2.10340502655076000
1976-01-01	1.62036893179544000
1976-04-01	1.78203556561515000
1976-07-01	1.93505607735365000
1976-10-01	2.07904640801741000
1977-01-01	2.21374554580940000
1977-04-01	2.18686140948048000
1977-07-01	2.16067163033188000
1977-10-01	2.13514852985045000
1978-01-01	2.11026576387039000
1978-04-01	1.87402260907518000
1978-07-01	1.65046137473215000
1978-10-01	1.43764589042212000
1979-01-01	1.23388938397196000
1979-04-01	1.54354595092273000
1979-07-01	1.83984291178681000
1979-10-01	2.12058761470818000
1980-01-01	2.38401583010444000
1980-04-01	2.25407550793417000
1980-07-01	2.13159923179744000
1980-10-01	2.01584181215769000
1981-01-01	1.90614832894232000
1981-04-01	1.97892375002075000
1981-07-01	2.04684803864470000
1981-10-01	2.10998554629567000
1982-01-01	2.16842514109073000
1982-04-01	2.03204575885061000
1982-07-01	1.90301887032124000
1982-10-01	1.78057698360379000
1983-01-01	1.66404403355512000
1983-04-01	1.37006709058658000
1983-07-01	1.08841533137990000
1983-10-01	0.81639491163127900
1984-01-01	0.55159028253279700
1984-04-01	0.69799953781212500
1984-07-01	0.84156051610042200
1984-10-01	0.98169815623067400
1985-01-01	1.11788471271634000
1985-04-01	0.96272956788937400
1985-07-01	0.81211448136543100
1985-10-01	0.66527667332870000
1986-01-01	0.52151155579129100
1986-04-01	1.05183551453549000
1986-07-01	1.56836848071946000
1986-10-01	2.06348674488868000
1987-01-01	2.53060433956429000
1987-04-01	2.02679418768012000
1987-07-01	1.55394770722709000
1987-10-01	1.10420535365955000
1988-01-01	0.67083365546886800
1988-04-01	0.79538333182240200
1988-07-01	0.97464498251200400
1988-10-01	1.01585325537306000
1989-01-01	0.87406045291045000
1989-04-01	0.45571180994850300
1989-07-01	-0.07492633783180440
1989-10-01	-0.17757037462792600
1990-01-01	-0.01383918222204460
1990-04-01	0.15525780381337500
1990-07-01	0.40148841162693000
1990-10-01	0.50359347793475800
1991-01-01	0.67156551417332400
1991-04-01	0.91850385038872800
1991-07-01	0.84434400623787500
1991-10-01	0.68402294130600400
1992-01-01	0.62907571775890400
1992-04-01	0.42930497920012200
1992-07-01	0.26611442176089600
1992-10-01	0.32976135521071200
1993-01-01	0.13754829921925000
1993-04-01	-0.08120329449941320
1993-07-01	-0.07186892205376870
1993-10-01	-0.30360102320270100
1994-01-01	-0.61721426921267100
1994-04-01	-0.58086384993114300
1994-07-01	-0.30804737944515600
1994-10-01	-0.06680912156310760
1995-01-01	0.36415222700106000
1995-04-01	0.92179191110285000
1995-07-01	1.04123830594208000
1995-10-01	0.84189505191176700
1996-01-01	0.62569463416285100
1996-04-01	0.33970140463402900
1996-07-01	0.17957044911639900
1996-10-01	0.22041282286735500
1997-01-01	0.28524190038288400
1997-04-01	0.39473211122975800
1997-07-01	0.65146266185467700
1997-10-01	0.92722342411874200
1998-01-01	1.04027303308962000
1998-04-01	1.06040764153756000
1998-07-01	0.98469577114383900
1998-10-01	0.71896204674494400
1999-01-01	0.35096996972913500
1999-04-01	0.11850621431264000
1999-07-01	-0.00910806220523923
1999-10-01	-0.14658817064444000
2000-01-01	-0.07778395745955350
2000-04-01	0.20978699885807800
2000-07-01	0.53073838660567100
2000-10-01	0.88164189111844100
2001-01-01	1.16517649872496000
2001-04-01	1.13319985729634000
2001-07-01	0.96070108295722400
2001-10-01	0.97953816595886200
2002-01-01	0.97704188537073400
2002-04-01	0.76794402767005100
2002-07-01	0.63512928034730000
2002-10-01	0.62662570349601500
2003-01-01	0.65579053053589000
2003-04-01	0.64880813109947600
2003-07-01	0.31599734223424900
2003-10-01	-0.04777547642548990
2004-01-01	-0.00269951715008666
2004-04-01	0.36138215189526200
2004-07-01	0.70960691833423600
2004-10-01	0.86371620922151000
2005-01-01	0.85088410527961200
2005-04-01	0.60353045629310200
2005-07-01	0.46783221270865400
2005-10-01	0.52570498175912200
2006-01-01	0.44934324226668800
2006-04-01	0.55645731638196600
2006-07-01	1.04898583353672000
2006-10-01	1.32039842268223000
2007-01-01	1.17294222240551000
2007-04-01	1.02346900118512000
2007-07-01	0.95230278402170200
2007-10-01	1.03778993338682000
2008-01-01	1.23441545016817000
2008-04-01	1.30677628864472000
2008-07-01	1.19810866244650000
2008-10-01	0.98533922184553600
2009-01-01	0.92956239287217600
2009-04-01	0.90313842104669500
2009-07-01	0.55686105250349700
2009-10-01	0.16408014542906200
2010-01-01	0.03152725001342610
2010-04-01	-0.05376300609587910
2010-07-01	-0.10936056475987200
2010-10-01	0.00142648023493797
2011-01-01	-0.01851494372418150
2011-04-01	-0.15009655159070700