Quarter	Percent Change
1970-04-01	3.40299133550243000
1970-07-01	2.34899098954861000
1970-10-01	1.96389316130803000
1971-01-01	2.22718232899763000
1971-04-01	1.84330316861370000
1971-07-01	1.54540374963198000
1971-10-01	2.30077318739784000
1972-01-01	2.59545104728269000
1972-04-01	1.95625217477133000
1972-07-01	2.35254725310263000
1972-10-01	2.20445006136390000
1973-01-01	1.21143336614496000
1973-04-01	2.47456398837514000
1973-07-01	4.07431898608598000
1973-10-01	4.40552763563734000
1974-01-01	3.99526203989721000
1974-04-01	4.39688676976262000
1974-07-01	7.08666633343766000
1974-10-01	9.81235130791540000
1975-01-01	9.35497366024840000
1975-04-01	7.05304235969970000
1975-07-01	4.84302516617922000
1975-10-01	2.17295542698655000
1976-01-01	1.84389795146569000
1976-04-01	3.08483058022305000
1976-07-01	2.16050476839857000
1976-10-01	1.16439932319320000
1977-01-01	1.73150446993625000
1977-04-01	2.07828818429668000
1977-07-01	1.69439152780796000
1977-10-01	2.14518888472577000
1978-01-01	3.12699883961855000
1978-04-01	2.82736941242889000
1978-07-01	1.82165024021015000
1978-10-01	2.44472235286030000
1979-01-01	4.25818260500958000
1979-04-01	5.27793323008724000
1979-07-01	5.05585235915603000
1979-10-01	4.56368024366330000
1980-01-01	5.31005149145674000
1980-04-01	6.00493604026992000
1980-07-01	5.17360777948263000
1980-10-01	3.31721538709676000
1981-01-01	1.60789670520827000
1981-04-01	1.19266253138176000
1981-07-01	1.50480428949151000
1981-10-01	1.56511679074433000
1982-01-01	1.08031838686205000
1982-04-01	0.48020530181842300
1982-07-01	0.46275183762604000
1982-10-01	0.91705243033866900
1983-01-01	1.23748828785144000
1983-04-01	1.25534656197743000
1983-07-01	1.06977627868938000
1983-10-01	0.59913289963861500
1984-01-01	0.75953703047266600
1984-04-01	1.73603187380961000
1984-07-01	2.03277779546095000
1984-10-01	1.42687505840587000
1985-01-01	0.67218802649987500
1985-04-01	1.04269646520531000
1985-07-01	1.76310128785619000
1985-10-01	1.41944017880513000
1986-01-01	1.11198697342539000
1986-04-01	0.87637181727974100
1986-07-01	0.54254574132618600
1986-10-01	0.72599277844922300
1987-01-01	1.22262227692331000
1987-04-01	1.24983175974959000
1987-07-01	1.27604377390738000
1987-10-01	1.61787129594725000
1988-01-01	1.74116557432915000
1988-04-01	1.86938530672221000
1988-07-01	2.06782801089251000
1988-10-01	2.28057888247944000
1989-01-01	2.31689873969924000
1989-04-01	2.33318786157538000
1989-07-01	2.57528793689402000
1989-10-01	2.54571017869332000
1990-01-01	2.16410370205404000
1990-04-01	2.15157783764520000
1990-07-01	2.14092090915264000
1990-10-01	1.85656161988497000
1991-01-01	1.87499398395331000
1991-04-01	1.85536945737282000
1991-07-01	1.66102060055715000
1991-10-01	1.42162267022175000
1992-01-01	0.86052281847779200
1992-04-01	0.09628512948768610
1992-07-01	-0.09487601187889130
1992-10-01	0.02137402800808990
1993-01-01	0.07207498780368300
1993-04-01	0.37284731515472900
1993-07-01	0.47010605093160100
1993-10-01	0.12748008554385100
1994-01-01	-0.62135339052841200
1994-04-01	-0.74023196879597800
1994-07-01	0.10287042540470500
1994-10-01	0.51016448770707800
1995-01-01	0.61195232909455500
1995-04-01	0.57891088169033700
1995-07-01	0.43235009027595700
1995-10-01	0.34991722674036900
1996-01-01	0.14450423633632100
1996-04-01	0.43581800973220700
1996-07-01	0.56886260733268900
1996-10-01	0.25231993866843400
1997-01-01	0.39172285952855200
1997-04-01	0.79456934008551500
1997-07-01	0.99593372769874200
1997-10-01	0.82928040514288300
1998-01-01	0.84213716325028000
1998-04-01	1.17853958189191000
1998-07-01	0.96311457479302900
1998-10-01	0.73006077038284800
1999-01-01	0.67678725924959200
1999-04-01	0.11175133746222500
1999-07-01	-0.03808391692531620
1999-10-01	0.47125794800556600
2000-01-01	0.71051777573749300
2000-04-01	0.88503438189495500
2000-07-01	1.41583196558790000
2000-10-01	1.43984205954662000
2001-01-01	0.81980297731876000
2001-04-01	0.47591203487208700
2001-07-01	0.54304884505091200
2001-10-01	0.50053829442494300
2002-01-01	0.52823580745442500
2002-04-01	0.79167020902392500
2002-07-01	0.83618238100089300
2002-10-01	0.75507866928842200
2003-01-01	0.59832955919106200
2003-04-01	0.74354167820115000
2003-07-01	0.92355147721361000
2003-10-01	0.38671560827804100
2004-01-01	0.05993370265115490
2004-04-01	0.43979483319434700
2004-07-01	0.65138053096798300
2004-10-01	0.59941661660571200
2005-01-01	0.57789328109400200
2005-04-01	0.53874588556974300
2005-07-01	0.56072590877655700
2005-10-01	0.48230286161123000
2006-01-01	0.43740151961728500
2006-04-01	0.59476058301383000
2006-07-01	0.75334466724217500
2006-10-01	0.64656037907872400
2007-01-01	0.53234577023813500
2007-04-01	0.87137121520127000
2007-07-01	0.96320438350073600
2007-10-01	0.40441000304402400
2008-01-01	0.04755112911600610
2008-04-01	0.51728424414458000
2008-07-01	1.24345783951427000
2008-10-01	1.79829922862903000
2009-01-01	2.05498860421903000
2009-04-01	1.47164401834756000
2009-07-01	0.77738514910527500
2009-10-01	0.62359350692070800
2010-01-01	0.38564527321089200
2010-04-01	0.00363144288668295
2010-07-01	0.12899576233967200
2010-10-01	0.60219286516060900
2011-01-01	0.62619624523549900