Quarter Percent Change 1970-04-01 1.31139698687185000 1970-07-01 2.58884395216026000 1970-10-01 3.78527092716289000 1971-01-01 4.86295207108820000 1971-04-01 3.59633045930818000 1971-07-01 2.46652067487925000 1971-10-01 1.42637531029477000 1972-01-01 0.43933616315838500 1972-04-01 0.34009311029305700 1972-07-01 0.24194892563361800 1972-10-01 0.14460797862931000 1973-01-01 0.04778151444017110 1973-04-01 2.76966052263359000 1973-07-01 5.34356377429618000 1973-10-01 7.58670940610137000 1974-01-01 9.38862019266101000 1974-04-01 6.81514460361704000 1974-07-01 4.72543153482462000 1974-10-01 2.93199664036718000 1975-01-01 1.31327815604818000 1975-04-01 1.82999349445847000 1975-07-01 2.32125374000980000 1975-10-01 2.78085019722928000 1976-01-01 3.20400794369735000 1976-04-01 2.86127437039553000 1976-07-01 2.54518605976446000 1976-10-01 2.25138698286053000 1977-01-01 1.97626660685428000 1977-04-01 1.88645923314479000 1977-07-01 1.80097646067562000 1977-10-01 1.71945508176319000 1978-01-01 1.64156921795463000 1978-04-01 1.30905117602475000 1978-07-01 0.99008479832139100 1978-10-01 0.68128782084788100 1979-01-01 0.37961127474256300 1979-04-01 1.49993260665193000 1979-07-01 2.58294726766799000 1979-10-01 3.59526367436672000 1980-01-01 16.17560785105820000 1980-04-01 0.70607068668622400 1980-07-01 1.40224056379469000 1980-10-01 2.07427452687177000 1981-01-01 2.70949695618416000 1981-04-01 2.29998386884039000 1981-07-01 1.91783789528259000 1981-10-01 1.55753092656356000 1982-01-01 1.21439823236212000 1982-04-01 1.10896796349464000 1982-07-01 1.00694170434573000 1982-10-01 0.90793628316342800 1983-01-01 0.81160028528389200 1983-04-01 0.29263920661320500 1983-07-01 -0.21914664215253800 1983-10-01 -0.73168205596356500 1984-01-01 -1.25290343882413000 1984-04-01 -0.86191618515355500 1984-07-01 -0.45898816880259000 1984-10-01 -0.04879052543856880 1985-01-01 0.36370099886406400 1985-04-01 0.33489275042831600 1985-07-01 0.30637646692615200 1985-10-01 0.27812585254810700 1986-01-01 0.25011540090795100 1986-04-01 0.42156262589488000 1986-07-01 0.59114182743835700 1986-10-01 0.75800980608530700 1987-01-01 0.92136768469955900 1987-04-01 0.56352585430254700 1987-07-01 0.21289598818683600 1987-10-01 -0.13429016080443000 1988-01-01 -0.48167087542220000 1988-04-01 -0.29029077793372800 1988-07-01 -0.09686057349210890 1988-10-01 0.09750922630668230 1989-01-01 0.29168850692386100 1989-04-01 0.57870749843267700 1989-07-01 0.86158875850943300 1989-10-01 1.13799493629315000 1990-01-01 1.40576353570109000 1990-04-01 -0.00762950120735800 1990-07-01 0.13470708187079500 1990-10-01 0.46436756243305200 1991-01-01 0.53895957358660600 1991-04-01 0.20564617592965300 1991-07-01 -0.24845031017872800 1991-10-01 -0.65924818658341100 1992-01-01 -0.78841291639943300 1992-04-01 -0.51608196192980300 1992-07-01 -0.34096734127161700 1992-10-01 -0.59237412112066500 1993-01-01 -0.89608121876275700 1993-04-01 -0.51522239734974200 1993-07-01 0.05169583528850570 1993-10-01 -0.07140720406857100 1994-01-01 -0.14802644068988000 1994-04-01 -0.13712037713423900 1994-07-01 -0.12054978371072600 1994-10-01 0.36868363707504300 1995-01-01 0.44435770913583900 1995-04-01 -0.22829495997590500 1995-07-01 -0.86152009355743500 1995-10-01 -1.24917088016160000 1996-01-01 -1.29736727143518000 1996-04-01 -1.08509015082498000 1996-07-01 -1.17172537345065000 1996-10-01 -1.12352521562840000 1997-01-01 -0.24702875433054900 1997-04-01 0.39348169781077400 1997-07-01 0.30811606514432500 1997-10-01 0.34518374012421400 1998-01-01 -0.05736208054662340 1998-04-01 -0.89901683410169800 1998-07-01 -1.11644857447843000 1998-10-01 -1.01034978700652000 1999-01-01 -1.10956585297269000 1999-04-01 -1.18255562401125000 1999-07-01 -1.07062253204999000 1999-10-01 -1.02750203756320000 2000-01-01 -1.16926880814287000 2000-04-01 -1.18070858899836000 2000-07-01 -1.09610990150095000 2000-10-01 -1.45386565593534000 2001-01-01 -1.82222145262563000 2001-04-01 -1.44690583650522000 2001-07-01 -1.08013388634603000 2001-10-01 -1.19605790777699000 2002-01-01 -1.27208071127237000 2002-04-01 -1.40667675311594000 2002-07-01 -1.58100092849986000 2002-10-01 -1.73690000816984000 2003-01-01 -1.97464437284920000 2003-04-01 -1.79039376453302000 2003-07-01 -1.09170785436022000 2003-10-01 -0.34558304850955400 2004-01-01 0.07527720202244850 2004-04-01 -0.00302204626436403 2004-07-01 -0.33349220799247100 2004-10-01 -0.54316905065754900 2005-01-01 -0.66465968631825800 2005-04-01 -0.87117853635186000 2005-07-01 -0.89093017339554400 2005-10-01 -0.44519369511372000 2006-01-01 0.05896701463113110 2006-04-01 0.04967061168997840 2006-07-01 -0.30486802213561700 2006-10-01 -0.41411048205518000 2007-01-01 -0.07879313221374140 2007-04-01 0.24972505526453700 2007-07-01 0.30496744414310900 2007-10-01 0.37300965815175700 2008-01-01 0.52719786725174600 2008-04-01 0.76359561660606800 2008-07-01 0.84103822178796900 2008-10-01 0.23287627566153700 2009-01-01 -0.50873937113057600 2009-04-01 -0.23726023793829300 2009-07-01 0.73762865835280900 2009-10-01 1.68853967550712000 2010-01-01 2.25105780254028000 2010-04-01 1.70152048106668000 2010-07-01 0.59877393242082200 2010-10-01 -0.06841708611356330 2011-01-01 -0.35691716802403900 2011-04-01 -0.37615058686424900 2011-07-01 -0.16060251505461400