Quarter	Percent Change
1970-04-01	1.132300950625280000
1970-07-01	2.239246733537550000
1970-10-01	3.285304262794140000
1971-01-01	4.241073368997310000
1971-04-01	2.908395769745530000
1971-07-01	1.698857762507760000
1971-10-01	0.561969733016653000
1972-01-01	-0.543485150873927000
1972-04-01	0.688448303756909000
1972-07-01	1.910200781987610000
1972-10-01	3.077866894068850000
1973-01-01	4.153498829193960000
1973-04-01	4.727061595272010000
1973-07-01	5.219529930288310000
1973-10-01	5.631429224090350000
1974-01-01	5.966263231000570000
1974-04-01	4.773141839346260000
1974-07-01	3.737543243522600000
1974-10-01	2.814211820087720000
1975-01-01	1.970097212700320000
1975-04-01	1.930872871312710000
1975-07-01	1.893156942921680000
1975-10-01	1.856864118150660000
1976-01-01	1.821915406187680000
1976-04-01	1.988495429960930000
1976-07-01	2.145021534840600000
1976-10-01	2.291171787172090000
1977-01-01	2.426765620243800000
1977-04-01	1.913740424470650000
1977-07-01	1.430829472567150000
1977-10-01	0.969976184233933000
1978-01-01	0.524221929191184000
1978-04-01	0.519456106786835000
1978-07-01	0.514750069137956000
1978-10-01	0.510102679770009000
1979-01-01	0.505512763224607000
1979-04-01	-0.189354135130390000
1979-07-01	-0.883351185529330000
1979-10-01	-1.591043507512190000
1980-01-01	-4.861427727871670000
1980-04-01	0.409073398331217000
1980-07-01	0.814813603565809000
1980-10-01	1.212342088145170000
1981-01-01	1.597093861835280000
1981-04-01	1.382397818851190000
1981-07-01	1.176543364473680000
1981-10-01	0.978031611091042000
1982-01-01	0.785518815553105000
1982-04-01	0.513839796435938000
1982-07-01	0.247013821421508000
1982-10-01	-0.017142978778961400
1983-01-01	-0.280739264748015000
1983-04-01	-0.025179571477467700
1983-07-01	0.231228701622398000
1983-10-01	0.486518346371746000
1984-01-01	0.738747283725321000
1984-04-01	0.397796321359916000
1984-07-01	0.062016122020119100
1984-10-01	-0.272019238922232000
1985-01-01	-0.607669140678963000
1985-04-01	-0.374409144604267000
1985-07-01	-0.137950453710923000
1985-10-01	0.100053351585508000
1986-01-01	0.337909633132279000
1986-04-01	-0.052166202902330900
1986-07-01	-0.441334282429619000
1986-10-01	-0.834156566961673000
1987-01-01	-1.235326998809170000
1987-04-01	-1.026181274415350000
1987-07-01	-0.809895350546096000
1987-10-01	-0.587729746341866000
1988-01-01	-0.361073423018319000
1988-04-01	-0.188048661041978000
1988-07-01	-0.013741281760809200
1988-10-01	0.160942516507368000
1989-01-01	0.335088888574516000
1989-04-01	-0.009301265600138120
1989-07-01	-0.352605113781314000
1989-10-01	-0.698370594240108000
1990-01-01	-1.050222811772530000
1990-04-01	-1.484761269598250000
1990-07-01	-1.165453033098290000
1990-10-01	-0.172334128620514000
1991-01-01	0.233525182255062000
1991-04-01	-0.223116608508315000
1991-07-01	-0.232912397547605000
1991-10-01	-1.033777061008190000
1992-01-01	-1.178685481805410000
1992-04-01	0.611952965092978000
1992-07-01	0.833058382007770000
1992-10-01	0.130764068961686000
1993-01-01	-0.193544560862409000
1993-04-01	-0.603326137715108000
1993-07-01	-0.476425855945154000
1993-10-01	-0.122287935112973000
1994-01-01	-0.209658031112155000
1994-04-01	-1.247154590036190000
1994-07-01	-1.869077447975980000
1994-10-01	-0.754236481318948000
1995-01-01	-0.616086928249326000
1995-04-01	-1.273323874131730000
1995-07-01	-0.392134102895092000
1995-10-01	0.218547872368472000
1996-01-01	0.062529054186925500
1996-04-01	0.014717089966949200
1996-07-01	-0.056921748390100200
1996-10-01	-0.766188566140934000
1997-01-01	-1.059974540713870000
1997-04-01	-0.365743121533656000
1997-07-01	0.499892524629207000
1997-10-01	0.572045763210023000
1998-01-01	0.021059654460827300
1998-04-01	0.439578216446597000
1998-07-01	-0.645834594366761000
1998-10-01	-1.819884492416310000
1999-01-01	-1.000979253280880000
1999-04-01	-0.934277979934883000
1999-07-01	-0.761529130142108000
1999-10-01	0.175443188585274000
2000-01-01	0.749622216476256000
2000-04-01	0.480894872849599000
2000-07-01	-0.543311142210970000
2000-10-01	-1.231722086483680000
2001-01-01	-1.202240209559190000
2001-04-01	-0.964564425578367000
2001-07-01	-1.249966404292100000
2001-10-01	-1.707983473632360000
2002-01-01	-1.635145799716690000
2002-04-01	-1.252894593300000000
2002-07-01	-0.495079149893541000
2002-10-01	0.100504481834007000
2003-01-01	-0.017245980713237000
2003-04-01	-0.346682265833724000
2003-07-01	-0.645780067385771000
2003-10-01	-1.182913128888260000
2004-01-01	-1.481709902622740000
2004-04-01	-1.228803838047230000
2004-07-01	-1.412388814123290000
2004-10-01	-0.972058644955744000
2005-01-01	0.129541700702627000
2005-04-01	-0.178054815765382000
2005-07-01	0.054470792608825600
2005-10-01	0.956598057645586000
2006-01-01	0.950802637305900000
2006-04-01	1.206590618624910000
2006-07-01	0.782422551934814000
2006-10-01	-0.584215935094402000
2007-01-01	-1.386419306088960000
2007-04-01	-0.938757071449540000
2007-07-01	-0.287012778736288000
2007-10-01	-0.300786364964569000
2008-01-01	-0.019326859060456000
2008-04-01	0.590497694675085000
2008-07-01	1.647537465569150000
2008-10-01	2.170470268372940000
2009-01-01	1.422692117986530000
2009-04-01	0.969609565867288000
2009-07-01	0.682023234124645000
2009-10-01	-0.037341756414500100
2010-01-01	-0.293944468741346000
2010-04-01	-0.210786025721715000
2010-07-01	-0.504934837173168000
2010-10-01	-0.000914395123130719
2011-01-01	0.738903260714046000
2011-04-01	0.050633176011552400
2011-07-01	-0.458643776833704000