Quarter	Percent Change
1970-04-01	2.49470912337679000
1970-07-01	2.00896732405831000
1970-10-01	2.22909248522878000
1971-01-01	2.72612877507569000
1971-04-01	2.39097092816700000
1971-07-01	1.95359940777840000
1971-10-01	1.36307566794455000
1972-01-01	0.81688839283425400
1972-04-01	0.86870427764487000
1972-07-01	1.11215871316629000
1972-10-01	1.81551980974334000
1973-01-01	2.49253372032907000
1973-04-01	2.50455850188635000
1973-07-01	2.67568846488654000
1973-10-01	2.86286921458385000
1974-01-01	2.92440833967966000
1974-04-01	2.96746847936760000
1974-07-01	2.54224404530577000
1974-10-01	1.92434519375960000
1975-01-01	1.51802749801160000
1975-04-01	1.10890169131751000
1975-07-01	0.91679649372306100
1975-10-01	1.38884341875105000
1976-01-01	1.58697231178314000
1976-04-01	1.46901471158369000
1976-07-01	1.35855668213293000
1976-10-01	0.66849435785703700
1977-01-01	0.27451613574691900
1977-04-01	0.45513548602904600
1977-07-01	0.62442769258930000
1977-10-01	0.62124518432225700
1978-01-01	0.42342413852755500
1978-04-01	0.67599227615307400
1978-07-01	1.01082547567381000
1978-10-01	0.93999495040354700
1979-01-01	0.83124948521066000
1979-04-01	0.67338449488833700
1979-07-01	0.74993137203070400
1979-10-01	1.27583553112319000
1980-01-01	1.66614818652676000
1980-04-01	1.48982919664157000
1980-07-01	1.23062701721103000
1980-10-01	1.11113754671755000
1981-01-01	1.04941216775346000
1981-04-01	1.09764228510633000
1981-07-01	1.01965360159665000
1981-10-01	0.84201037218329200
1982-01-01	0.74394231669184700
1982-04-01	0.69518712308697300
1982-07-01	0.62420022401819200
1982-10-01	0.36063290395339700
1983-01-01	0.01014729326338060
1983-04-01	0.16854176452579900
1983-07-01	0.54373986266908000
1983-10-01	0.47678089005577900
1984-01-01	0.29494299762315700
1984-04-01	0.21983125513926600
1984-07-01	-0.00477399146329004
1984-10-01	0.23171620203358100
1985-01-01	0.84150929876329700
1985-04-01	0.68603473344558800
1985-07-01	0.45566587629179200
1985-10-01	0.42066533847923000
1986-01-01	0.18706063841125600
1986-04-01	0.24317751623469000
1986-07-01	0.36952772112711300
1986-10-01	0.30520581486109900
1987-01-01	0.39677554637365700
1987-04-01	0.57829681075613800
1987-07-01	0.67216105374097400
1987-10-01	0.63688706137820900
1988-01-01	0.29188645742469200
1988-04-01	0.02619523699181410
1988-07-01	0.10653461319165500
1988-10-01	0.26271919026657600
1989-01-01	0.49165834786124300
1989-04-01	0.58979487627358500
1989-07-01	0.43598240613650200
1989-10-01	0.36360365852262600
1990-01-01	0.35860501891647500
1990-04-01	0.54014582161480700
1990-07-01	0.85429324365747400
1990-10-01	0.91866147566332600
1991-01-01	1.15355259983261000
1991-04-01	1.72374930495268000
1991-07-01	2.05445043331734000
1991-10-01	2.14678946886671000
1992-01-01	2.18573938407382000
1992-04-01	1.93109609990926000
1992-07-01	1.51562780018622000
1992-10-01	1.13617905790405000
1993-01-01	0.74920984096360900
1993-04-01	0.54830952163307500
1993-07-01	0.73061669550078600
1993-10-01	1.07312612154668000
1994-01-01	0.90317756523277200
1994-04-01	0.38702238298527300
1994-07-01	0.13992713111063200
1994-10-01	-0.04118447528417890
1995-01-01	0.06415695362030920
1995-04-01	0.30546292622473600
1995-07-01	0.19845568657893500
1995-10-01	0.09044367704683060
1996-01-01	-0.16219485990113200
1996-04-01	-0.27131015201803400
1996-07-01	-0.06541994964134760
1996-10-01	0.08730483284255960
1997-01-01	0.47646694690084500
1997-04-01	0.76142919541553500
1997-07-01	0.77487641391520100
1997-10-01	0.90818330838275400
1998-01-01	0.93033428422781100
1998-04-01	0.89285875261598700
1998-07-01	0.92317084431487100
1998-10-01	1.02136949907471000
1999-01-01	1.31096221030213000
1999-04-01	1.19460909961231000
1999-07-01	1.00122948285238000
1999-10-01	1.20423430176745000
2000-01-01	1.24180668016520000
2000-04-01	1.31858921480184000
2000-07-01	1.17334868559986000
2000-10-01	0.54496594813446700
2001-01-01	0.27085073848701900
2001-04-01	0.29234629246356300
2001-07-01	0.15342395401616100
2001-10-01	0.12519914191374900
2002-01-01	0.11361742640932800
2002-04-01	0.24315788493228400
2002-07-01	0.67360558777682600
2002-10-01	0.69957079848901300
2003-01-01	0.53633008375924700
2003-04-01	0.55632996432360400
2003-07-01	0.67265485241983300
2003-10-01	1.15129179400740000
2004-01-01	1.25732152111931000
2004-04-01	0.74304339856577600
2004-07-01	0.39157100130471400
2004-10-01	0.20406191990952700
2005-01-01	0.11416918365560900
2005-04-01	0.08726321228743670
2005-07-01	-0.08505201989501560
2005-10-01	-0.40373648623683700
2006-01-01	-0.59058413748521600
2006-04-01	-0.28322405002766500
2006-07-01	0.01140596451568390
2006-10-01	0.11109505300016500
2007-01-01	0.42069985835692800
2007-04-01	0.39363686350368100
2007-07-01	0.19758395106832800
2007-10-01	0.38440665890498900
2008-01-01	0.51868372879761200
2008-04-01	0.74124536147873000
2008-07-01	1.12077407540029000
2008-10-01	1.04187830037239000
2009-01-01	0.65956278368278300
2009-04-01	0.27997490968140500
2009-07-01	0.00418728321435018
2009-10-01	0.00148909132685209
2010-01-01	0.19878816808182100
2010-04-01	0.55274356891440700
2010-07-01	0.79622021845948600
2010-10-01	0.85262071372323300
2011-01-01	0.87002525897893300