Quarter Percent Change 1970-04-01 0.92911693781818600 1970-07-01 1.84112764682291000 1970-10-01 2.71176442567653000 1971-01-01 3.52022573801328000 1971-04-01 2.91428403768102000 1971-07-01 2.35929190443212000 1971-10-01 1.84333565048615000 1972-01-01 1.35674944106695000 1972-04-01 1.31850272006420000 1972-07-01 1.28152040495836000 1972-10-01 1.24573198567750000 1973-01-01 1.21107200021069000 1973-04-01 1.64041514602249000 1973-07-01 2.05061120698843000 1973-10-01 2.43730292085631000 1974-01-01 2.79702780626442000 1974-04-01 3.64432293052318000 1974-07-01 4.40711357264300000 1974-10-01 5.07441026307166000 1975-01-01 5.64146396097670000 1975-04-01 4.79727871786940000 1975-07-01 4.05960817580577000 1975-10-01 3.40337762134501000 1976-01-01 2.80989074007958000 1976-04-01 2.71162849317345000 1976-07-01 2.61914187017343000 1976-10-01 2.53192846654942000 1977-01-01 2.44954265560467000 1977-04-01 2.48014691573269000 1977-07-01 2.50713837380001000 1977-10-01 2.53070421305450000 1978-01-01 2.55103108186178000 1978-04-01 1.08711755110435000 1978-07-01 1.30982478261660000 1978-10-01 -0.23854866411497200 1979-01-01 -1.19561402307537000 1979-04-01 -1.40898393997015000 1979-07-01 -1.14330765521805000 1979-10-01 0.40023828820379600 1980-01-01 1.95138760431718000 1980-04-01 2.65252972565406000 1980-07-01 3.71906906722605000 1980-10-01 5.16848532939644000 1981-01-01 4.17811907669342000 1981-04-01 2.13205922482985000 1981-07-01 1.82487594720250000 1981-10-01 1.43971776238263000 1982-01-01 1.43279891162434000 1982-04-01 3.27070204751567000 1982-07-01 3.35929405962467000 1982-10-01 2.25475800863982000 1983-01-01 1.72437531586417000 1983-04-01 0.11614987269270500 1983-07-01 -0.38044303315254600 1983-10-01 0.30978917500149500 1984-01-01 0.95049038801431800 1984-04-01 1.91621138587633000 1984-07-01 1.57878300272636000 1984-10-01 0.61644682914189500 1985-01-01 0.60242686829044600 1985-04-01 1.47881215212207000 1985-07-01 3.00159306557301000 1985-10-01 3.67612958266841000 1986-01-01 3.03550478392612000 1986-04-01 2.57313962303247000 1986-07-01 2.60976513617234000 1986-10-01 2.23219868558121000 1987-01-01 1.42320550957556000 1987-04-01 0.30883710749299900 1987-07-01 0.00176209444943264 1987-10-01 1.98181517514343000 1988-01-01 3.84359928057435000 1988-04-01 2.57804132449162000 1988-07-01 -0.19877805404180900 1988-10-01 -0.90072653233080200 1989-01-01 0.41783313772404800 1989-04-01 1.35773387109275000 1989-07-01 1.00320939340949000 1989-10-01 0.51527157772236100 1990-01-01 0.99957579243061200 1990-04-01 1.87718477325763000 1990-07-01 2.10406509231345000 1990-10-01 1.63139617780151000 1991-01-01 1.61118909203738000 1991-04-01 1.27938655089085000 1991-07-01 -0.16123460972528300 1991-10-01 -1.14708649197737000 1992-01-01 -0.90891502958793800 1992-04-01 0.93607634341138400 1992-07-01 3.14630787351183000 1992-10-01 2.33611234485600000 1993-01-01 -0.33053187768449200 1993-04-01 -1.49898807374991000 1993-07-01 -0.77623146602395500 1993-10-01 0.74481713934959500 1994-01-01 1.65830186900549000 1994-04-01 1.16310774973136000 1994-07-01 0.40485101142984000 1994-10-01 0.61125473600936700 1995-01-01 0.77551988605951100 1995-04-01 0.94665119784163300 1995-07-01 1.66044676257905000 1995-10-01 0.86743825971731300 1996-01-01 -0.45566227703409500 1996-04-01 -0.30656637058537800 1996-07-01 0.50751689372819400 1996-10-01 1.80813083643458000 1997-01-01 2.14920761584192000 1997-04-01 0.65191561187887500 1997-07-01 -0.81490558716639400 1997-10-01 -0.54460613697029100 1998-01-01 0.64718624807543700 1998-04-01 1.54461202066936000 1998-07-01 2.66343173460321000 1998-10-01 2.29220039483355000 1999-01-01 1.37435255387487000 1999-04-01 1.62653768628114000 1999-07-01 0.90078141563627900 1999-10-01 0.21003258087019100 2000-01-01 0.82785209333414500 2000-04-01 1.35569248810448000 2000-07-01 0.88567442299953700 2000-10-01 0.52033275955437700 2001-01-01 0.65362755876169500 2001-04-01 0.90268475903236000 2001-07-01 1.02485970306280000 2001-10-01 0.56926744580096500 2002-01-01 0.66006886696012700 2002-04-01 0.74644932792281300 2002-07-01 0.64445380877279600 2002-10-01 -0.23670472344854600 2003-01-01 -1.98502796689028000 2003-04-01 -1.77973406358822000 2003-07-01 -0.69525884811011500 2003-10-01 -0.71734337567850500 2004-01-01 -1.02256854520241000 2004-04-01 -0.55203805098374200 2004-07-01 0.16085832119198900 2004-10-01 0.36921601253434300 2005-01-01 0.48894837321941600 2005-04-01 0.24227979347102300 2005-07-01 0.07366464987222580 2005-10-01 1.75994211469356000 2006-01-01 3.41977313687018000 2006-04-01 2.65428892093937000 2006-07-01 1.07756191152263000 2006-10-01 0.54516058583574700 2007-01-01 1.17587179659147000 2007-04-01 1.59509906130020000 2007-07-01 1.74679483815801000 2007-10-01 1.37968498284898000 2008-01-01 0.38614893197513200 2008-04-01 0.54196528171533800 2008-07-01 1.92196188524016000 2008-10-01 2.17430187595541000 2009-01-01 1.53349794612584000 2009-04-01 0.89534450621876900 2009-07-01 -0.32549493838731400 2009-10-01 -0.87237527562962500 2010-01-01 -0.33510827148603200 2010-04-01 0.09530193039949580 2010-07-01 0.30576789618451100 2010-10-01 1.16949365045766000 2011-01-01 1.47980587828502000 2011-04-01 0.74100989420062100