Quarter	Percent Change
1970-04-01	1.489063075325260000
1970-07-01	1.060718108904590000
1970-10-01	0.568919109933538000
1971-01-01	1.018624130132290000
1971-04-01	2.048674831255810000
1971-07-01	2.103018830346520000
1971-10-01	1.706903941779940000
1972-01-01	1.368171248478270000
1972-04-01	0.933903244554489000
1972-07-01	0.975220021339706000
1972-10-01	1.634309453736310000
1973-01-01	2.117238561218690000
1973-04-01	2.197359920240640000
1973-07-01	2.355737491141460000
1973-10-01	2.820904004762750000
1974-01-01	3.732832908901940000
1974-04-01	4.591276768590460000
1974-07-01	4.283900039394010000
1974-10-01	3.381016663833690000
1975-01-01	3.095507763375970000
1975-04-01	3.090558587673080000
1975-07-01	2.778432807188740000
1975-10-01	2.359481402193930000
1976-01-01	2.053436311657530000
1976-04-01	1.572851777048380000
1976-07-01	1.769958737679610000
1976-10-01	2.318000953369490000
1977-01-01	2.142255274268850000
1977-04-01	1.969936357281650000
1977-07-01	1.718346368601240000
1977-10-01	1.409104413927890000
1978-01-01	1.085694339674930000
1978-04-01	0.763011481455539000
1978-07-01	0.882615358129962000
1978-10-01	1.443201280879100000
1979-01-01	2.287468326418790000
1979-04-01	2.668753795683610000
1979-07-01	2.199759750748890000
1979-10-01	2.278529642771790000
1980-01-01	2.988885641412310000
1980-04-01	3.104002362742660000
1980-07-01	3.515976162280720000
1980-10-01	4.164016279112050000
1981-01-01	4.404323773221630000
1981-04-01	4.630506633335440000
1981-07-01	4.369689905763220000
1981-10-01	3.273016797627400000
1982-01-01	1.887566508176900000
1982-04-01	0.827144220920546000
1982-07-01	0.394990877711780000
1982-10-01	0.502271760921256000
1983-01-01	0.488174347976791000
1983-04-01	0.285517105726734000
1983-07-01	0.549457850977291000
1983-10-01	0.667268774266854000
1984-01-01	0.740556090980519000
1984-04-01	1.767810162193410000
1984-07-01	2.301905566459920000
1984-10-01	1.571833895950060000
1985-01-01	0.701061622314779000
1985-04-01	0.164612479311779000
1985-07-01	-0.332205015496234000
1985-10-01	-0.225791620061518000
1986-01-01	0.788808369550510000
1986-04-01	1.193799353124320000
1986-07-01	1.296016872805640000
1986-10-01	1.429204017814920000
1987-01-01	1.090972742863710000
1987-04-01	1.071758363429750000
1987-07-01	1.350038207159650000
1987-10-01	1.762750327361710000
1988-01-01	1.812238156689460000
1988-04-01	1.103827233903730000
1988-07-01	0.703207990992576000
1988-10-01	1.043457143254110000
1989-01-01	1.519982087250360000
1989-04-01	1.429596941481770000
1989-07-01	0.946323526921308000
1989-10-01	0.595924698659936000
1990-01-01	0.737089650897251000
1990-04-01	1.347098857758800000
1990-07-01	1.829788990293260000
1990-10-01	2.013103463510510000
1991-01-01	1.302207911710140000
1991-04-01	0.369845301110839000
1991-07-01	0.361338427797574000
1991-10-01	0.157880920017800000
1992-01-01	-0.293037899011188000
1992-04-01	-0.188847156217555000
1992-07-01	0.024804039488339900
1992-10-01	0.038336701388550700
1993-01-01	-0.076825978133183000
1993-04-01	-0.201009575942668000
1993-07-01	-0.352134774560145000
1993-10-01	-0.685398882030176000
1994-01-01	-0.726525954346406000
1994-04-01	-0.257640227446001000
1994-07-01	-0.044629379663756400
1994-10-01	0.064123458848266500
1995-01-01	0.324765795169921000
1995-04-01	0.447574950274761000
1995-07-01	0.623094736433945000
1995-10-01	0.740480421620064000
1996-01-01	0.569830729956888000
1996-04-01	0.420336456588802000
1996-07-01	0.606030832439790000
1996-10-01	0.807196266063228000
1997-01-01	0.833698391991746000
1997-04-01	0.866276404123456000
1997-07-01	0.737586529601444000
1997-10-01	0.605244538672276000
1998-01-01	0.656216176297790000
1998-04-01	0.455266687979149000
1998-07-01	-0.033162879022063700
1998-10-01	-0.369632664216577000
1999-01-01	-0.336778109621823000
1999-04-01	-0.032604068055787900
1999-07-01	0.284696703472777000
1999-10-01	0.633388839876744000
2000-01-01	0.987506190147082000
2000-04-01	1.087943057827900000
2000-07-01	0.941532122116466000
2000-10-01	0.564437388915340000
2001-01-01	0.051183208633986600
2001-04-01	-0.340338124419470000
2001-07-01	-0.559169183700383000
2001-10-01	-0.582539709389003000
2002-01-01	-0.345208723880905000
2002-04-01	0.014528975507672500
2002-07-01	0.375802912047262000
2002-10-01	0.663191789821376000
2003-01-01	0.557860093766144000
2003-04-01	0.254745775445732000
2003-07-01	0.280737061526522000
2003-10-01	0.670957196610230000
2004-01-01	1.001545555392600000
2004-04-01	0.861448526620821000
2004-07-01	0.365736544222823000
2004-10-01	-0.040653875887054600
2005-01-01	0.120985690031230000
2005-04-01	0.528268222889570000
2005-07-01	0.740477845543371000
2005-10-01	0.644504915625957000
2006-01-01	0.488750513067221000
2006-04-01	0.707774322659619000
2006-07-01	0.913530186815199000
2006-10-01	0.882372081378154000
2007-01-01	0.647258743530860000
2007-04-01	0.328200418636078000
2007-07-01	-0.000111739278770608
2007-10-01	-0.187478488322592000
2008-01-01	0.068793103771609500
2008-04-01	0.429322652568666000
2008-07-01	0.511216435271225000
2008-10-01	0.331998041611357000
2009-01-01	-0.180317037772067000
2009-04-01	-0.793180319822402000
2009-07-01	-0.662985575565249000
2009-10-01	0.003113409382181670
2010-01-01	0.466249101958989000
2010-04-01	0.674934568291496000
2010-07-01	0.647922813296512000
2010-10-01	0.563990026361667000
2011-01-01	0.416149357653062000
2011-04-01	0.107693419616079000
2011-07-01	-0.088919566077491500