Quarter	Percent Change
1970-04-01	0.25807471554669300
1970-07-01	0.51482074359590400
1970-10-01	0.76827590425059800
1971-01-01	1.01655786002541000
1971-04-01	0.69012053756978300
1971-07-01	0.37135029270853900
1971-10-01	0.05709797183319700
1972-01-01	-0.25563435259752600
1972-04-01	-0.01774544148281050
1972-07-01	0.22083782232506900
1972-10-01	0.45841188886615400
1973-01-01	0.69329449283795200
1973-04-01	2.62427760957607000
1973-07-01	4.44342630078857000
1973-10-01	6.06039319667387000
1974-01-01	7.41690692566050000
1974-04-01	5.12765385750466000
1974-07-01	3.18709899468528000
1974-10-01	1.45042159099056000
1975-01-01	-0.18513195643663800
1975-04-01	1.16226150852735000
1975-07-01	2.48116081689910000
1975-10-01	3.72108719371720000
1976-01-01	4.84094881751256000
1976-04-01	3.52352391681543000
1976-07-01	2.34693135417621000
1976-10-01	1.26067806952189000
1977-01-01	0.22540100479870400
1977-04-01	0.98832302869241600
1977-07-01	1.73460835567464000
1977-10-01	2.44810102479386000
1978-01-01	3.11491311400168000
1978-04-01	2.42980229458283000
1978-07-01	1.79516833790659000
1978-10-01	1.19669061676994000
1979-01-01	0.62242240470765700
1979-04-01	1.22163318116726000
1979-07-01	1.80267201728439000
1979-10-01	2.35598401610595000
1980-01-01	2.87351714944352000
1980-04-01	3.47125076949020000
1980-07-01	4.01005005673343000
1980-10-01	4.48543457130845000
1981-01-01	4.89582533810334000
1981-04-01	3.17886252365667000
1981-07-01	1.63832356083544000
1981-10-01	0.19256802956605700
1982-01-01	-1.22442124697713000
1982-04-01	-0.29659061997747900
1982-07-01	0.64834089086816700
1982-10-01	1.58388564988545000
1983-01-01	2.48425899404640000
1983-04-01	1.48396806114424000
1983-07-01	0.53594334523914600
1983-10-01	-0.38830072539824800
1984-01-01	-1.31479308306022000
1984-04-01	-0.01029149769413820
1984-07-01	1.31186219648057000
1984-10-01	2.59990974076995000
1985-01-01	3.80599188617544000
1985-04-01	3.03167106753847000
1985-07-01	2.32636708970204000
1985-10-01	1.67138643700997000
1986-01-01	1.05171696552940000
1986-04-01	1.34503486741748000
1986-07-01	1.62740954948961000
1986-10-01	1.89676714652087000
1987-01-01	2.15137858867464000
1987-04-01	2.25393977555118000
1987-07-01	2.34886840226088000
1987-10-01	2.43625521008843000
1988-01-01	2.51624552817247000
1988-04-01	2.41525235560858000
1988-07-01	2.31998653171995000
1988-10-01	2.22994502562558000
1989-01-01	2.14468128213785000
1989-04-01	2.67432335951080000
1989-07-01	3.16437075705156000
1989-10-01	3.60984641061751000
1990-01-01	4.00771092165193000
1990-04-01	3.41398799881922000
1990-07-01	2.87649047383087000
1990-10-01	2.38314732172955000
1991-01-01	1.92437203271994000
1991-04-01	0.95387087964102800
1991-07-01	0.01951648659205390
1991-10-01	-0.90564844131774300
1992-01-01	-1.84754179450286000
1992-04-01	-1.47676189471130000
1992-07-01	-1.08726162820063000
1992-10-01	-0.68305281848958700
1993-01-01	-0.26872820453707600
1993-04-01	1.18570821994384000
1993-07-01	1.02735490368632000
1993-10-01	0.48774250971343000
1994-01-01	-0.54788491497387800
1994-04-01	-1.28443570234750000
1994-07-01	-1.60436434711283000
1994-10-01	-1.74307826296489000
1995-01-01	-1.22730698976146000
1995-04-01	-0.88167730938935700
1995-07-01	-0.55858758529921200
1995-10-01	0.08136090209058520
1996-01-01	0.35044668249436000
1996-04-01	0.71408304292356400
1996-07-01	1.26439277588471000
1996-10-01	1.64783316768029000
1997-01-01	1.60854447015544000
1997-04-01	1.32073331089015000
1997-07-01	0.91170112786064000
1997-10-01	0.43204179814242100
1998-01-01	0.57532093184037000
1998-04-01	0.71068924447793100
1998-07-01	0.40551527134700600
1998-10-01	0.06589342648824980
1999-01-01	-0.12699448839032100
1999-04-01	0.81788617015686200
1999-07-01	2.63792737895751000
1999-10-01	3.27504466823608000
2000-01-01	2.71638053479375000
2000-04-01	1.91476201611012000
2000-07-01	0.77684927230853700
2000-10-01	0.66505476040005700
2001-01-01	1.48880272927479000
2001-04-01	1.60489989043373000
2001-07-01	1.37205069728364000
2001-10-01	1.29134909262152000
2002-01-01	1.09754045550750000
2002-04-01	0.00146929346605233
2002-07-01	-1.26146281375081000
2002-10-01	-0.94911707873887500
2003-01-01	0.18908657529827500
2003-04-01	1.16081639552707000
2003-07-01	1.92096679316211000
2003-10-01	1.23044406059028000
2004-01-01	-0.04258146392854090
2004-04-01	-0.07943562488587760
2004-07-01	0.02828696372796940
2004-10-01	0.42280422119715500
2005-01-01	1.14858279194749000
2005-04-01	0.79003875111286500
2005-07-01	0.63765467240280600
2005-10-01	0.69588954425935900
2006-01-01	0.11593671583950800
2006-04-01	0.40112680763615100
2006-07-01	1.23374420533428000
2006-10-01	1.53981559786140000
2007-01-01	1.99491542021619000
2007-04-01	2.57952542912108000
2007-07-01	2.82062508914502000
2007-10-01	3.04204499511423000
2008-01-01	3.07809083518890000
2008-04-01	2.97439736105337000
2008-07-01	2.86795931707065000
2008-10-01	2.26041638816872000
2009-01-01	1.30660994070087000
2009-04-01	0.42541068541449500
2009-07-01	-0.38381710132370300
2009-10-01	-0.78012152350529500
2010-01-01	-0.68412462563645100
2010-04-01	-0.69240515370314000
2010-07-01	-0.61637881857536800
2010-10-01	-0.26685004627913000
2011-01-01	0.08841944845344130