Quarterly 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