Quarter	Percent Change
1970-04-01	0.65475070394116200
1970-07-01	1.30098311715401000
1970-10-01	1.92641232955910000
1971-01-01	2.52000407265515000
1971-04-01	2.41933451073304000
1971-07-01	2.32437363106411000
1971-10-01	2.23462114540555000
1972-01-01	2.14963221594690000
1972-04-01	2.04803513807218000
1972-07-01	1.95170309536221000
1972-10-01	1.86016891918779000
1973-01-01	1.77301582525999000
1973-04-01	2.38078747619647000
1973-07-01	2.94923244420124000
1973-10-01	3.47068218526508000
1974-01-01	3.93987935166900000
1974-04-01	5.90102135028973000
1974-07-01	7.56508850327803000
1974-10-01	8.88575716968241000
1975-01-01	9.86215402984242000
1975-04-01	7.16998376134734000
1975-07-01	5.00431512811318000
1975-10-01	3.16019315691896000
1976-01-01	1.50694546351059000
1976-04-01	1.65912621276062000
1976-07-01	1.80375215394095000
1976-10-01	1.94045480311141000
1977-01-01	2.06896884830318000
1977-04-01	2.23311224712208000
1977-07-01	2.38591412920476000
1977-10-01	2.52719782546321000
1978-01-01	2.65693483291435000
1978-04-01	2.60134073340497000
1978-07-01	2.54822452206233000
1978-10-01	2.49742245976609000
1979-01-01	2.44878481829091000
1979-04-01	3.71374008108366000
1979-07-01	4.85685640250675000
1979-10-01	5.84888114435650000
1980-01-01	6.67543208557010000
1980-04-01	5.28442770650980000
1980-07-01	4.09476698641141000
1980-10-01	3.04563042531378000
1981-01-01	2.09379995602987000
1981-04-01	1.78579053637509000
1981-07-01	1.49404161604293000
1981-10-01	1.21546408553544000
1982-01-01	0.94736469604188000
1982-04-01	0.82226721210607700
1982-07-01	0.70030214390597500
1982-10-01	0.58097456910402500
1983-01-01	0.46382244993880900
1983-04-01	1.12572834159212000
1983-07-01	1.14085713814711000
1983-10-01	0.34988909035608900
1984-01-01	0.97718530036576600
1984-04-01	1.71509814037393000
1984-07-01	1.81383502872662000
1984-10-01	1.90254469837788000
1985-01-01	0.60674814499525900
1985-04-01	0.89038279406289000
1985-07-01	1.96843213405084000
1985-10-01	0.90872051198783300
1986-01-01	0.59734064470231800
1986-04-01	0.60429517309271200
1986-07-01	-0.00434217045801803
1986-10-01	-0.33482718842502400
1987-01-01	0.23719944449794100
1987-04-01	0.71162914881189200
1987-07-01	1.16141217002659000
1987-10-01	2.08030043057530000
1988-01-01	2.18047762740736000
1988-04-01	2.11903594352369000
1988-07-01	2.34915166334779000
1988-10-01	2.16795770222808000
1989-01-01	1.63024852826316000
1989-04-01	1.85657504928371000
1989-07-01	2.53274317580608000
1989-10-01	2.88608845878407000
1990-01-01	2.37756588669688000
1990-04-01	2.08960170460293000
1990-07-01	1.96636493666081000
1990-10-01	1.57852676968130000
1991-01-01	2.18246223711093000
1991-04-01	2.24631290222093000
1991-07-01	1.40271266228606000
1991-10-01	1.11853604198612000
1992-01-01	1.10662407825447000
1992-04-01	0.13278034519866800
1992-07-01	-0.56932001120017100
1992-10-01	-0.86399622615261900
1993-01-01	-1.14732528295089000
1993-04-01	0.15717243159114500
1993-07-01	1.39547507002691000
1993-10-01	0.35731337190415600
1994-01-01	-1.86590677490552000
1994-04-01	-1.55680792503530000
1994-07-01	0.49734984731937800
1994-10-01	0.62116442746364900
1995-01-01	0.66648278475889600
1995-04-01	0.69855968106690300
1995-07-01	0.50212027707978200
1995-10-01	0.58924576671981000
1996-01-01	-0.15910677737717900
1996-04-01	0.06525238265902130
1996-07-01	0.57813624744029900
1996-10-01	-0.12359886877950700
1997-01-01	-0.04809574574228520
1997-04-01	1.10459256978603000
1997-07-01	1.53399295691568000
1997-10-01	0.88379239855781600
1998-01-01	0.68793827891987200
1998-04-01	1.50600757722902000
1998-07-01	1.17511498543987000
1998-10-01	0.78657184133580300
1999-01-01	0.89404763057429900
1999-04-01	-0.45677129104620200
1999-07-01	-0.85542961959438100
1999-10-01	0.41703605047147800
2000-01-01	0.82323783933982800
2000-04-01	0.77422349635326600
2000-07-01	1.86539167320410000
2000-10-01	2.03886684436970000
2001-01-01	0.79612995452729100
2001-04-01	-0.11786942533474100
2001-07-01	0.19528107930589400
2001-10-01	0.53748364460242100
2002-01-01	0.49689916538673400
2002-04-01	1.05562238179955000
2002-07-01	0.81445817656141700
2002-10-01	0.29571870316034900
2003-01-01	0.27623646859776300
2003-04-01	0.71707454620917300
2003-07-01	1.00753377035036000
2003-10-01	0.20182769407486800
2004-01-01	-0.33061540122620200
2004-04-01	0.11511027771679800
2004-07-01	0.26022846545352900
2004-10-01	0.34927332418821300
2005-01-01	0.40801454632083100
2005-04-01	0.24385152721679800
2005-07-01	0.55192384599562000
2005-10-01	0.11888205943120400
2006-01-01	0.10338263348692800
2006-04-01	0.86415547353112700
2006-07-01	0.92773716548126100
2006-10-01	0.87321475358767900
2007-01-01	0.71394636626054900
2007-04-01	0.91393667900438900
2007-07-01	1.29581359959505000
2007-10-01	0.60201230659617100
2008-01-01	-0.42471646032857000
2008-04-01	-0.02243155842117760
2008-07-01	1.10682214438191000
2008-10-01	1.63872221041196000
2009-01-01	2.20083548109488000
2009-04-01	2.13901062029054000
2009-07-01	1.01909620455912000
2009-10-01	1.18287268374464000
2010-01-01	0.96468571647487600
2010-04-01	-0.66530782539452400
2010-07-01	0.03486316000593930
2010-10-01	1.27982283031266000
2011-01-01	0.62066385729261900