Quarterly Percent Change
1970-04-01 0.96708234545735000
1970-07-01 1.91563888545077000
1970-10-01 2.81944788807716000
1971-01-01 3.65617976752961000
1971-04-01 2.69932548400873000
1971-07-01 1.82224407498298000
1971-10-01 0.99792659009772300
1972-01-01 0.20418298296772300
1972-04-01 1.09255510876793000
1972-07-01 1.95992997686457000
1972-10-01 2.78453761783992000
1973-01-01 3.54802404886213000
1973-04-01 3.50498398858746000
1973-07-01 3.46216667379783000
1973-10-01 3.41964476366267000
1974-01-01 3.37748003413495000
1974-04-01 4.89055845179675000
1974-07-01 6.21026700645516000
1974-10-01 7.30437823989582000
1975-01-01 8.16519583466790000
1975-04-01 6.10316577084550000
1975-07-01 4.38960673806931000
1975-10-01 2.89981770468629000
1976-01-01 1.54967475000868000
1976-04-01 2.63380635357452000
1976-07-01 3.64556910306378000
1976-10-01 4.55872953967499000
1977-01-01 5.35595360558525000
1977-04-01 4.39117087984929000
1977-07-01 3.54308461054066000
1977-10-01 2.78117172687265000
1978-01-01 2.08257767098017000
1978-04-01 2.37255358463009000
1978-07-01 2.64232539591889000
1978-10-01 2.89070092653655000
1979-01-01 3.11699503579291000
1979-04-01 3.40785423469360000
1979-07-01 3.66793530056031000
1979-10-01 3.89737071717074000
1980-01-01 4.09691172584153000
1980-04-01 4.43547162643460000
1980-07-01 4.72566694654935000
1980-10-01 4.96940341778441000
1981-01-01 5.16948920974867000
1981-04-01 3.99822941002859000
1981-07-01 3.85320523376044000
1981-10-01 4.13770989118297000
1982-01-01 4.49932604831516000
1982-04-01 4.05634681327297000
1982-07-01 3.65007503585572000
1982-10-01 3.63456784640625000
1983-01-01 3.55636657406120000
1983-04-01 3.59741791238218000
1983-07-01 3.18530998094957000
1983-10-01 2.34966247133347000
1984-01-01 1.92908455712545000
1984-04-01 1.80418586277104000
1984-07-01 1.43029123552885000
1984-10-01 1.59892059990866000
1985-01-01 2.32443071197824000
1985-04-01 2.18237713170843000
1985-07-01 2.01856865375488000
1985-10-01 2.08254834653573000
1986-01-01 1.45304354735975000
1986-04-01 0.87246535088368500
1986-07-01 0.69582482041881500
1986-10-01 0.91800009986811100
1987-01-01 1.11624970223463000
1987-04-01 1.19018951263320000
1987-07-01 1.55030729147369000
1987-10-01 1.21545412301244000
1988-01-01 0.70890798043173800
1988-04-01 1.16118931458417000
1988-07-01 1.37568252813570000
1988-10-01 1.31618236554339000
1989-01-01 1.49206362375907000
1989-04-01 1.52412893577468000
1989-07-01 1.81586415637085000
1989-10-01 2.04384940510953000
1990-01-01 2.10294133940235000
1990-04-01 2.17825086143559000
1990-07-01 1.83274783732868000
1990-10-01 1.87147149711551000
1991-01-01 2.23299283124368000
1991-04-01 1.91057391539604000
1991-07-01 1.77035257664780000
1991-10-01 1.77852481749218000
1992-01-01 1.29643932816512000
1992-04-01 1.06754784499682000
1992-07-01 0.99272915671668100
1992-10-01 0.53585387133564100
1993-01-01 0.01129473481998170
1993-04-01 0.03362767678259280
1993-07-01 0.14892278903305800
1993-10-01 -0.41088350014437300
1994-01-01 -0.59000345831884000
1994-04-01 -0.07032353998112200
1994-07-01 -0.11948939248736400
1994-10-01 -0.04595957020687700
1995-01-01 0.50155422293855800
1995-04-01 0.47158033480639200
1995-07-01 0.55141044792974500
1995-10-01 1.01536332589015000
1996-01-01 1.31022369840937000
1996-04-01 1.28369278462991000
1996-07-01 0.95830990293455700
1996-10-01 1.02509360363680000
1997-01-01 0.84850070733658200
1997-04-01 0.09484390863807380
1997-07-01 -0.24845354354422800
1997-10-01 -0.56498159187192400
1998-01-01 -0.53468072498562500
1998-04-01 0.17227946398454600
1998-07-01 0.81225020261975400
1998-10-01 1.02462984927629000
1999-01-01 0.78863358966949900
1999-04-01 0.70214472022446400
1999-07-01 0.37337999013714400
1999-10-01 -0.39500392612745100
2000-01-01 -0.64970923462608100
2000-04-01 -0.46783654400741600
2000-07-01 -0.26067531217961200
2000-10-01 0.25054923976564000
2001-01-01 0.67271605265082300
2001-04-01 0.84574482327731300
2001-07-01 1.08547441683040000
2001-10-01 1.25553713622340000
2002-01-01 1.07673864289653000
2002-04-01 0.43962077900457800
2002-07-01 0.36335450147723300
2002-10-01 0.93999956048780500
2003-01-01 1.49137527850534000
2003-04-01 1.70144480711818000
2003-07-01 1.15310510691706000
2003-10-01 0.26278608251207600
2004-01-01 -0.12378299229255800
2004-04-01 0.34970924448451100
2004-07-01 0.83903662780061800
2004-10-01 0.88278409334461800
2005-01-01 0.68810532036869800
2005-04-01 0.44313678052086300
2005-07-01 0.74661483648245700
2005-10-01 0.87290310103950500
2006-01-01 0.27896768146298500
2006-04-01 -0.00366467589190645
2006-07-01 -0.05624229965633270
2006-10-01 0.13968354394515400
2007-01-01 0.97301951979309800
2007-04-01 1.28007965416434000
2007-07-01 0.92041628853075000
2007-10-01 0.95030400561677200
2008-01-01 1.39973943091376000
2008-04-01 1.76680653001025000
2008-07-01 1.60975190283029000
2008-10-01 1.40259198225857000
2009-01-01 1.41815031484973000
2009-04-01 0.79523407111404300
2009-07-01 0.18699178689919400
2009-10-01 0.02426025155205600
2010-01-01 -0.46771588096948300
2010-04-01 -0.53085669076719600
2010-07-01 0.14584749798881700
2010-10-01 0.41496724310936500
2011-01-01 0.19461548454006400