Quarter	Percent Change
1970-04-01	1.04179830265380000
1970-07-01	2.06211354143414000
1970-10-01	3.03067436566016000
1971-01-01	3.92203504353687000
1971-04-01	3.52355778591313000
1971-07-01	3.16169465101583000
1971-10-01	2.83027567448422000
1972-01-01	2.52431119762467000
1972-04-01	2.79478280247649000
1972-07-01	3.04237906691284000
1972-10-01	3.26657866780563000
1973-01-01	3.46734259672859000
1973-04-01	5.58148787744345000
1973-07-01	7.39886275839374000
1973-10-01	8.85605178287685000
1974-01-01	9.94245057651044000
1974-04-01	7.00828788704959000
1974-07-01	4.64754076572203000
1974-10-01	2.62384224862006000
1975-01-01	0.78592593242362200
1975-04-01	1.72252285079663000
1975-07-01	2.62011599263268000
1975-10-01	3.45631801058324000
1976-01-01	4.21377582720726000
1976-04-01	3.90909542056270000
1976-07-01	3.63278613730610000
1976-10-01	3.38072362639280000
1977-01-01	3.14952965086336000
1977-04-01	2.55987709465685000
1977-07-01	2.01481480935664000
1977-10-01	1.50335653775746000
1978-01-01	1.01641101597202000
1978-04-01	0.88910468788578500
1978-07-01	0.76522170329253400
1978-10-01	0.64424400925197600
1979-01-01	0.52569097605890200
1979-04-01	1.43216441092824000
1979-07-01	2.30832806793106000
1979-10-01	3.13240663575748000
1980-01-01	10.76420873183590000
1980-04-01	0.06452693243074360
1980-07-01	0.12897062578955600
1980-10-01	0.19320674959454300
1981-01-01	0.25711225339717100
1981-04-01	0.63659130625048800
1981-07-01	1.01029822389389000
1981-10-01	1.37414902478151000
1982-01-01	1.72440879617542000
1982-04-01	2.06384052734992000
1982-07-01	2.38331619455719000
1982-10-01	2.68063688198526000
1983-01-01	2.95424468429883000
1983-04-01	2.24420047412391000
1983-07-01	1.58339300095636000
1983-10-01	0.95669615724451400
1984-01-01	0.35131881894553000
1984-04-01	0.05711019322781830
1984-07-01	-0.23573384646120900
1984-10-01	-0.52979422312535000
1985-01-01	-0.82768256680123400
1985-04-01	-0.55184743913279700
1985-07-01	-0.27059784008741200
1985-10-01	0.01375123967583090
1986-01-01	0.29879345032611800
1986-04-01	-0.02174962155928800
1986-07-01	-0.34147683249333600
1986-10-01	-0.66346487555851400
1987-01-01	-0.99085687676037400
1987-04-01	-0.86336931482819600
1987-07-01	-0.73228787254312300
1987-10-01	-0.59806702019259300
1988-01-01	-0.46120245404300800
1988-04-01	0.15202985143173200
1988-07-01	0.76623418483551100
1988-10-01	1.37017056694347000
1989-01-01	1.95317170049347000
1989-04-01	1.14487890510126000
1989-07-01	0.36977062840836500
1989-10-01	-0.39093296693224100
1990-01-01	-1.15478876138458000
1990-04-01	0.55479028091661700
1990-07-01	0.81020963748599000
1990-10-01	2.45015675382903000
1991-01-01	4.00651547884128000
1991-04-01	4.00641640939024000
1991-07-01	3.05288876969409000
1991-10-01	1.87160755549707000
1992-01-01	1.22512878270965000
1992-04-01	1.75599094168790000
1992-07-01	1.68767307280633000
1992-10-01	0.70193876735181900
1993-01-01	0.28658338432323000
1993-04-01	0.84612378452471400
1993-07-01	1.68381738061052000
1993-10-01	2.62204039975315000
1994-01-01	2.99364834413442000
1994-04-01	2.37996957049195000
1994-07-01	2.12299340968889000
1994-10-01	2.36224766613593000
1995-01-01	2.34352378107896000
1995-04-01	1.97065397813598000
1995-07-01	1.27584638557938000
1995-10-01	0.50268479945660100
1996-01-01	0.16416775315744300
1996-04-01	0.20574332739988500
1996-07-01	0.37732724023449500
1996-10-01	0.86692094305455100
1997-01-01	1.08937333585330000
1997-04-01	0.51331212572115300
1997-07-01	-0.04092393965555860
1997-10-01	-0.45591285645263800
1998-01-01	-0.87496532224065200
1998-04-01	-0.56145075998126300
1998-07-01	0.00817993746252545
1998-10-01	-0.86288329758818800
1999-01-01	-1.70834442570444000
1999-04-01	-0.22620302362485800
1999-07-01	1.39722283925663000
1999-10-01	1.26225248463390000
2000-01-01	0.76652634421030200
2000-04-01	0.90184309140644500
2000-07-01	0.53759747831259400
2000-10-01	-0.25014492683946100
2001-01-01	-0.39093344998292200
2001-04-01	-1.12089083684058000
2001-07-01	-1.64469205633118000
2001-10-01	-0.54825031689753700
2002-01-01	-0.05267254205433340
2002-04-01	-0.08773143149774020
2002-07-01	0.34118463318775300
2002-10-01	0.57649730117847900
2003-01-01	0.44212402495989800
2003-04-01	0.07225228886039440
2003-07-01	0.16184842470215100
2003-10-01	-0.95847664402917700
2004-01-01	-1.90460018988505000
2004-04-01	-0.93376305220909700
2004-07-01	-0.09610356637552760
2004-10-01	0.68711203727176600
2005-01-01	0.79744880205899600
2005-04-01	0.21727346056832500
2005-07-01	-0.09815263037089860
2005-10-01	-0.02609485158367270
2006-01-01	-0.17289897042420700
2006-04-01	-0.74865826093474500
2006-07-01	-1.04988488124655000
2006-10-01	-0.58844359532191200
2007-01-01	-0.31965605192193500
2007-04-01	-0.83857027855157000
2007-07-01	-0.05888695773180440
2007-10-01	1.34563131471296000
2008-01-01	1.89651520551544000
2008-04-01	1.42972582354140000
2008-07-01	1.10730785950235000
2008-10-01	0.75914441469139200
2009-01-01	0.08130186357586830
2009-04-01	0.44634753361436800
2009-07-01	-0.28829757258650700
2009-10-01	-1.27650316289232000
2010-01-01	-0.25962371607902900
2010-04-01	0.38712498615965400
2010-07-01	-0.17477289708039700
2010-10-01	-0.23726680097472000
2011-01-01	0.18786842697652400
2011-04-01	-0.02785719224315260
2011-07-01	-0.64431450836405300