Quarter	Percent Change
1970-10-01	0.54073559834694800
1971-01-01	1.07565479409427000
1971-04-01	1.59631141366221000
1971-07-01	2.09497289671525000
1971-10-01	1.53492789553383000
1972-01-01	1.00248400432980000
1972-04-01	0.48834837252020300
1972-07-01	-0.01576034159067300
1972-10-01	0.96314196942304000
1973-01-01	1.92352044767400000
1973-04-01	2.83848796129101000
1973-07-01	3.68515391658624000
1973-10-01	3.91619018245388000
1974-01-01	4.11697474296163000
1974-04-01	4.28877722051569000
1974-07-01	4.43324052954522000
1974-10-01	4.14310925029270000
1975-01-01	3.88040184376701000
1975-04-01	3.64122498335238000
1975-07-01	3.42238198683292000
1975-10-01	2.80110162964296000
1976-01-01	2.23059124417361000
1976-04-01	1.69851766860176000
1976-07-01	1.19481962047626000
1976-10-01	1.56908423228034000
1977-01-01	1.92721657418968000
1977-04-01	2.26591967093321000
1977-07-01	2.58254377196602000
1977-10-01	1.95013151073072000
1978-01-01	1.35628613639426000
1978-04-01	0.78904179882612100
1978-07-01	0.23806795133619000
1978-10-01	0.66709428386737400
1979-01-01	1.08941858470946000
1979-04-01	1.49982415754384000
1979-07-01	1.89356995936213000
1979-10-01	2.39019970602323000
1980-01-01	2.85380748434159000
1980-04-01	3.27961814263367000
1980-07-01	3.66443190474181000
1980-10-01	3.56593425618907000
1981-01-01	3.47312133280819000
1981-04-01	3.38550622891998000
1981-07-01	3.30265636806071000
1981-10-01	3.16068985517364000
1982-01-01	3.02858726798119000
1982-04-01	2.90533294920649000
1982-07-01	2.79004568915546000
1982-10-01	2.05262868187576000
1983-01-01	1.36296570983568000
1983-04-01	0.70497951762086700
1983-07-01	0.06486299058700250
1983-10-01	0.46894794878467600
1984-01-01	0.53430369920604000
1984-04-01	0.12442617820879900
1984-07-01	-0.15242022806882700
1984-10-01	-0.48523548321603200
1985-01-01	-1.17900884363543000
1985-04-01	-0.61736185538609000
1985-07-01	1.14409846032471000
1985-10-01	2.76598928594226000
1986-01-01	2.62460595045283000
1986-04-01	1.58637765274239000
1986-07-01	1.39531613442514000
1986-10-01	0.26594437961358200
1987-01-01	-0.90926107593528100
1987-04-01	-0.74715382606213400
1987-07-01	-1.46913280525217000
1987-10-01	-1.22046190070485000
1988-01-01	0.96793892410456000
1988-04-01	1.08911813129153000
1988-07-01	-0.06323443469925420
1988-10-01	0.93965224176929500
1989-01-01	2.22391706368805000
1989-04-01	1.89968472098943000
1989-07-01	2.13859403119094000
1989-10-01	0.70899299390090300
1990-01-01	-1.14261395020264000
1990-04-01	0.09256307140829800
1990-07-01	0.71540744774470600
1990-10-01	0.30700465138822600
1991-01-01	-0.71626492482030600
1991-04-01	-2.12002648453791000
1991-07-01	-0.75227955756412500
1991-10-01	1.34245870269566000
1992-01-01	1.22408497608089000
1992-04-01	0.86090928877454700
1992-07-01	0.53166505281842200
1992-10-01	-0.48882481259185800
1993-01-01	-1.30562358314411000
1993-04-01	-1.02642571936284000
1993-07-01	0.12012502843480000
1993-10-01	-0.27395602167825500
1994-01-01	-1.15844802762194000
1994-04-01	-0.97989760741050100
1994-07-01	-0.32981049351078600
1994-10-01	1.33682896237110000
1995-01-01	2.10625534357862000
1995-04-01	1.55587794298904000
1995-07-01	1.24708270085078000
1995-10-01	0.60663050002672700
1996-01-01	0.50886689103230900
1996-04-01	0.42411247967026600
1996-07-01	-0.99003851059713800
1996-10-01	-0.78313342693554600
1997-01-01	0.53287415652816400
1997-04-01	0.65278712552638200
1997-07-01	0.06216050833415440
1997-10-01	-0.84098774650027900
1998-01-01	-1.17060979501713000
1998-04-01	-0.30801005571593400
1998-07-01	0.59170546740928800
1998-10-01	0.10739721540490400
1999-01-01	0.02420646688239060
1999-04-01	0.43695325345126800
1999-07-01	0.05799524508754450
1999-10-01	-0.98424424611053600
2000-01-01	-1.00775023457299000
2000-04-01	0.20525140863217900
2000-07-01	0.72308891598638300
2000-10-01	0.99361283317038900
2001-01-01	0.71623588882652100
2001-04-01	0.01695726492610890
2001-07-01	-0.11002377142677300
2001-10-01	-0.00744199766432733
2002-01-01	0.58406032131734400
2002-04-01	2.10216231225123000
2002-07-01	2.19477098803801000
2002-10-01	0.85824616780557600
2003-01-01	0.96025552001479200
2003-04-01	0.88294968510371400
2003-07-01	-0.03799965065597610
2003-10-01	-0.37233085413561900
2004-01-01	-0.10233700248692000
2004-04-01	1.41578435550710000
2004-07-01	2.61026468071524000
2004-10-01	2.14120978302837000
2005-01-01	1.60417029555610000
2005-04-01	1.46546553441599000
2005-07-01	1.35833037887967000
2005-10-01	1.57846952894741000
2006-01-01	1.62309886897391000
2006-04-01	0.72136953621357500
2006-07-01	-0.07790683256126420
2006-10-01	0.44057876568278600
2007-01-01	1.78746042981750000
2007-04-01	1.94770602789230000
2007-07-01	0.66193702764197500
2007-10-01	0.29817391705952800
2008-01-01	1.37155593855891000
2008-04-01	2.17137278045034000
2008-07-01	2.70117734155020000
2008-10-01	2.59411685689327000
2009-01-01	0.19470738371532200
2009-04-01	-1.95104187303245000
2009-07-01	-2.04877172468829000
2009-10-01	-1.36882703059395000
2010-01-01	-0.11372736995148000
2010-04-01	0.83316025116101800
2010-07-01	1.74494504536491000
2010-10-01	3.65576691595830000
2011-01-01	4.09062295039306000
2011-04-01	2.25512539593422000
2011-07-01	1.16589044422067000