Quarter 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