Quarter Percent Change 1977-07-01 1.08763613191452000 1977-10-01 2.15186781236808000 1978-01-01 3.15980679331924000 1978-04-01 4.08402835802909000 1978-07-01 3.80468199574709000 1978-10-01 3.55049877296558000 1979-01-01 3.31796179869857000 1979-04-01 3.10416776160491000 1979-07-01 3.55461821052408000 1979-10-01 3.95784008428383000 1980-01-01 4.31239994048300000 1980-04-01 4.61847398538063000 1980-07-01 4.23779701801792000 1980-10-01 3.89590600630605000 1981-01-01 3.58657353200385000 1981-04-01 3.30480121504483000 1981-07-01 3.18758614623010000 1981-10-01 3.07798095307125000 1982-01-01 2.97526595586399000 1982-04-01 2.87880935449689000 1982-07-01 1.65848314658715000 1982-10-01 0.51025086211073100 1983-01-01 -0.60782307103575000 1983-04-01 -1.73384535379050000 1983-07-01 -1.20099420430830000 1983-10-01 -0.64530044989782100 1984-01-01 -0.07549461411034180 1984-04-01 0.49887897847336000 1984-07-01 2.01231794846375000 1984-10-01 3.45863468199600000 1985-01-01 4.77934668954997000 1985-04-01 5.93216265380772000 1985-07-01 5.09604229527173000 1985-10-01 4.36945181529240000 1986-01-01 3.72711093372629000 1986-04-01 3.15028363760781000 1986-07-01 3.23828234409950000 1986-10-01 3.31513938347776000 1987-01-01 3.38147137472353000 1987-04-01 3.43792589728932000 1987-07-01 2.52776925088625000 1987-10-01 1.68917908073330000 1988-01-01 0.89774520679313300 1988-04-01 0.13317507383386900 1988-07-01 0.18280362933170600 1988-10-01 0.23218488806597600 1989-01-01 0.28124667096879900 1989-04-01 0.32991844405817300 1989-07-01 1.08091443390178000 1989-10-01 0.72505079155886200 1990-01-01 0.36378527040830500 1990-04-01 0.54838847010765800 1990-07-01 0.74413182040570500 1990-10-01 0.87320226227227400 1991-01-01 0.91723701109516600 1991-04-01 -0.39327724403031800 1991-07-01 -1.52028510427135000 1991-10-01 -0.69920768610907400 1992-01-01 0.20449843613125000 1992-04-01 0.15114648068303600 1992-07-01 0.14840104882634000 1992-10-01 -0.02192024941881480 1993-01-01 -0.73771877336803100 1993-04-01 -0.92595555777551700 1993-07-01 -0.10748398732178400 1993-10-01 0.74194571226988300 1994-01-01 1.17250549001818000 1994-04-01 1.11520819937765000 1994-07-01 0.28123718896538200 1994-10-01 -0.05331317072847040 1995-01-01 0.08473679206138480 1995-04-01 0.15094382667349500 1995-07-01 0.63254449389504800 1995-10-01 0.75872875359482900 1996-01-01 0.63317848687548200 1996-04-01 1.04392350626281000 1996-07-01 1.32047347786354000 1996-10-01 0.45625406602180900 1997-01-01 -0.21417157669738700 1997-04-01 0.51228590698206600 1997-07-01 0.91495620215823400 1997-10-01 0.24458115532842200 1998-01-01 0.00861058315711884 1998-04-01 0.52865755453149600 1998-07-01 0.14460281590958000 1998-10-01 -0.61931897843769600 1999-01-01 -0.68039704243638500 1999-04-01 -1.11082375581635000 1999-07-01 -1.56245500982739000 1999-10-01 -1.19387387449294000 2000-01-01 -0.63978783686873500 2000-04-01 -0.13782881486299500 2000-07-01 0.56647389688880600 2000-10-01 0.91179341680836500 2001-01-01 0.95930516700609900 2001-04-01 0.95264526375631800 2001-07-01 0.63197376158544100 2001-10-01 0.67197890926613500 2002-01-01 0.38930624582223200 2002-04-01 -0.18021091201492100 2002-07-01 0.28651215359435200 2002-10-01 0.81756048563870000 2003-01-01 1.12556431045238000 2003-04-01 1.14176831879384000 2003-07-01 0.69299440024867800 2003-10-01 0.52613616414637800 2004-01-01 0.74795169083838900 2004-04-01 0.97274947946528500 2004-07-01 1.13128156623087000 2004-10-01 1.56496558922955000 2005-01-01 1.36199254186812000 2005-04-01 0.90372303787434400 2005-07-01 1.14930400725406000 2005-10-01 1.38011863282787000 2006-01-01 1.41431278356556000 2006-04-01 1.20892369443442000 2006-07-01 0.98337503707495700 2006-10-01 0.38817046003887200 2007-01-01 -0.20794648029329600 2007-04-01 0.11082574964903600 2007-07-01 0.72304204217124700 2007-10-01 1.37827055178218000 2008-01-01 1.90291330713191000 2008-04-01 1.85439828606982000 2008-07-01 1.30391964039033000 2008-10-01 1.10377522965342000 2009-01-01 0.75362821456905400 2009-04-01 0.41496033333667000 2009-07-01 0.62672823274490400 2009-10-01 0.20911557295682200 2010-01-01 0.19838699526049800 2010-04-01 0.77498332882463300 2010-07-01 0.81165715520532800 2010-10-01 0.95093926457468600 2011-01-01 1.25284989527745000 2011-04-01 1.04109364681588000 2011-07-01 0.65718852434641600