Quarter	Percent Change
1970-04-01	0.66408486449837000
1970-07-01	1.31940774188189000
1970-10-01	1.95333906187229000
1971-01-01	2.55455301511855000
1971-04-01	2.06720577697874000
1971-07-01	1.61020424575770000
1971-10-01	1.17613244077840000
1972-01-01	0.75865459916934900
1972-04-01	0.62570832446701400
1972-07-01	0.49537475938043000
1972-10-01	0.36711337155027400
1973-01-01	0.24041118928844000
1973-04-01	0.47480627430092200
1973-07-01	0.70642380398332200
1973-10-01	0.93368928677329900
1974-01-01	1.15512479502411000
1974-04-01	2.85038574871319000
1974-07-01	4.43249431672815000
1974-10-01	5.83496369552121000
1975-01-01	7.01617314424017000
1975-04-01	5.62234687071778000
1975-07-01	4.43894089642145000
1975-10-01	3.40372674799218000
1976-01-01	2.47300533944462000
1976-04-01	2.62402903628510000
1976-07-01	2.76225203561796000
1976-10-01	2.88780138193146000
1977-01-01	3.00093897827701000
1977-04-01	2.98117457410655000
1977-07-01	2.96058258471472000
1977-10-01	2.93927226362365000
1978-01-01	2.91734339910057000
1978-04-01	2.10454501766075000
1978-07-01	1.34611350109372000
1978-10-01	0.62267821293940500
1979-01-01	-0.08236471197614980
1979-04-01	0.53508906764826000
1979-07-01	1.14647605443160000
1979-10-01	1.74075368105436000
1980-01-01	2.30785238996396000
1980-04-01	2.34999457078612000
1980-07-01	2.38807739392529000
1980-10-01	2.42227126829391000
1981-01-01	2.45275185845414000
1981-04-01	1.86929060613654000
1981-07-01	1.31987670885273000
1981-10-01	0.79428055355162000
1982-01-01	0.28362542485197400
1982-04-01	0.78297529522129900
1982-07-01	1.27315878886824000
1982-10-01	1.74718078895599000
1983-01-01	2.19879148351737000
1983-04-01	2.07074534256090000
1983-07-01	1.94963394380782000
1983-10-01	1.83476132849314000
1984-01-01	1.72551350080423000
1984-04-01	1.99670904763670000
1984-07-01	2.25220357108566000
1984-10-01	2.49069068096507000
1985-01-01	2.71125572874453000
1985-04-01	2.16901090346931000
1985-07-01	1.66227971658606000
1985-10-01	1.18194853772426000
1986-01-01	0.72028393102435800
1986-04-01	0.78914441522665000
1986-07-01	0.85639768510624400
1986-10-01	0.92193426129224900
1987-01-01	0.98565563411092600
1987-04-01	0.85312409620574200
1987-07-01	0.72403599166124600
1987-10-01	0.59783596790725700
1988-01-01	0.47400677107720600
1988-04-01	1.14457803283724000
1988-07-01	1.79681949420046000
1988-10-01	2.41855623954656000
1989-01-01	2.99946493290549000
1989-04-01	2.38866310328923000
1989-07-01	1.82169503407272000
1989-10-01	1.28700761860693000
1990-01-01	0.77493868434017600
1990-04-01	1.02347456904489000
1990-07-01	1.26502239139876000
1990-10-01	1.49798919412044000
1991-01-01	1.72097881640239000
1991-04-01	1.09920806020514000
1991-07-01	0.50104636214990100
1991-10-01	-0.08473953666061680
1992-01-01	-0.66859405929511800
1992-04-01	-0.48303025780694000
1992-07-01	-0.29438817157252000
1992-10-01	-0.10370689839422500
1993-01-01	0.08793480089726180
1993-04-01	0.15736411057989500
1993-07-01	0.17168410752305000
1993-10-01	0.05001265520895010
1994-01-01	-0.07749091987642680
1994-04-01	-0.12016193319854400
1994-07-01	-0.08117939195581800
1994-10-01	-0.03026839070751890
1995-01-01	-0.02268836860809350
1995-04-01	-0.03525327809100930
1995-07-01	-0.05912792642738930
1995-10-01	-0.07439700725435230
1996-01-01	-0.07093653248299200
1996-04-01	-0.07050422685429800
1996-07-01	-0.10263829185898000
1996-10-01	-0.07880731823586710
1997-01-01	-0.00587495660924049
1997-04-01	-0.05164650925482820
1997-07-01	-0.10823537685071700
1997-10-01	-0.11764422351799300
1998-01-01	-0.15464533740543100
1998-04-01	-0.15754527031637500
1998-07-01	-0.07518756479111520
1998-10-01	-0.04090860207782330
1999-01-01	-0.07390656532567160
1999-04-01	-0.01126562837422020
1999-07-01	0.03579257974601380
1999-10-01	0.12287234854340900
2000-01-01	0.24805870885148100
2000-04-01	0.14667812600249400
2000-07-01	0.01369578866318430
2000-10-01	-0.03464786520011460
2001-01-01	-0.07190341682966810
2001-04-01	-0.00928326781591445
2001-07-01	0.08933811796318260
2001-10-01	0.09353977661969800
2002-01-01	0.00240654142625645
2002-04-01	-0.07829611788245590
2002-07-01	-0.10215224375774900
2002-10-01	-0.10493372890011100
2003-01-01	-0.10130658024966900
2003-04-01	-0.13264367174163900
2003-07-01	-0.25531916730420700
2003-10-01	-0.40096753309557600
2004-01-01	-0.41919070670295500
2004-04-01	-0.33294774067420500
2004-07-01	-0.26020300842387400
2004-10-01	-0.20731359835659600
2005-01-01	-0.22719737822064600
2005-04-01	-0.30340269756761800
2005-07-01	-0.27909757203091600
2005-10-01	-0.22646981418241100
2006-01-01	-0.17161929137349300
2006-04-01	-0.03024752598462540
2006-07-01	0.10451546220521300
2006-10-01	0.28687567167718500
2007-01-01	0.42829309175816600
2007-04-01	0.34477555508212800
2007-07-01	0.23475192659507500
2007-10-01	0.12653547362121200
2008-01-01	0.01579928507342360
2008-04-01	0.08025900734812550
2008-07-01	0.19212595989876400
2008-10-01	0.21664515665051500
2009-01-01	0.26450805460005800
2009-04-01	0.35506437941543200
2009-07-01	0.32659893285474000
2009-10-01	0.21882090758479500
2010-01-01	0.10621217065510600
2010-04-01	-0.08562039348941210
2010-07-01	-0.19812929439988400
2010-10-01	-0.15175520902918600
2011-01-01	-0.07285968469066510