Quarter Percent Change 1970-04-01 0.56797667710654300 1970-07-01 1.12953784270740000 1970-10-01 1.67538266174592000 1971-01-01 2.19703481558981000 1971-04-01 1.86835759855945000 1971-07-01 1.55780689613811000 1971-10-01 1.26186612052819000 1972-01-01 0.97748615765059400 1972-04-01 1.35879611401116000 1972-07-01 1.72611401840309000 1972-10-01 2.07581669490421000 1973-01-01 2.40488744848402000 1973-04-01 2.43918894742469000 1973-07-01 2.46972582158654000 1973-10-01 2.49668124933901000 1974-01-01 2.52023968578582000 1974-04-01 2.92436481621540000 1974-07-01 3.29411274691334000 1974-10-01 3.62745741856131000 1975-01-01 3.92352899673313000 1975-04-01 2.97777177880410000 1975-07-01 2.11710101330380000 1975-10-01 1.31470381264583000 1976-01-01 0.54898108057749700 1976-04-01 0.69675917659298300 1976-07-01 0.84167021856493600 1976-10-01 0.98312770915255500 1977-01-01 1.12059329709674000 1977-04-01 1.52690544982484000 1977-07-01 1.91637449986602000 1977-10-01 2.28501784293568000 1978-01-01 2.62960850918568000 1978-04-01 1.66615710262519000 1978-07-01 0.75746186946587100 1978-10-01 -0.12299589133842900 1979-01-01 -0.99898801406530300 1979-04-01 -0.50803692539246400 1979-07-01 -0.00704112355238973 1979-10-01 0.49658381502737100 1980-01-01 0.99526693787067800 1980-04-01 1.18317057037781000 1980-07-01 1.36473500743063000 1980-10-01 1.53912964617999000 1981-01-01 1.70564642066469000 1981-04-01 1.45542346810478000 1981-07-01 1.21610543867131000 1981-10-01 0.98567921193175100 1982-01-01 0.76235008243442000 1982-04-01 0.23833416714123000 1982-07-01 -0.27924838799081500 1982-10-01 -0.79849406417986700 1983-01-01 -1.32755821314086000 1983-04-01 -0.59809060109144500 1983-07-01 0.15013620869163700 1983-10-01 0.90060950331360000 1984-01-01 1.63656878532824000 1984-04-01 0.99792872736068600 1984-07-01 0.38183055250574200 1984-10-01 -0.22355378592643500 1985-01-01 -0.82933974475486200 1985-04-01 -0.47564702846447700 1985-07-01 -0.11556843629106400 1985-10-01 0.24706889270931700 1986-01-01 0.60833693581539500 1986-04-01 0.68633162483676600 1986-07-01 0.76276953656505400 1986-10-01 0.83749768285469800 1987-01-01 0.91037557511271500 1987-04-01 0.43351434826584600 1987-07-01 -0.03498215878280350 1987-10-01 -0.50178297533936900 1988-01-01 -0.97345617764673800 1988-04-01 -0.62204366159434200 1988-07-01 -0.65938524860640000 1988-10-01 -0.09491192138794300 1989-01-01 0.55476836269604100 1989-04-01 0.44331791253328400 1989-07-01 0.42381743612822600 1989-10-01 0.05285446484724920 1990-01-01 0.04998964437154430 1990-04-01 0.94279306723361500 1990-07-01 1.17514444892560000 1990-10-01 0.99212072917350000 1991-01-01 1.11296619649092000 1991-04-01 1.52180164872122000 1991-07-01 1.36532321545612000 1991-10-01 0.96849557324707200 1992-01-01 1.03010224765225000 1992-04-01 0.92267460353831500 1992-07-01 0.80884729611864000 1992-10-01 0.71273373044831500 1993-01-01 0.39425584123084700 1993-04-01 0.17168156962682000 1993-07-01 0.17088219561752600 1993-10-01 -0.13772522799002900 1994-01-01 -0.47650993880407300 1994-04-01 0.01629437174204360 1994-07-01 -0.35793587605369900 1994-10-01 -1.42108524333264000 1995-01-01 -1.09506722454898000 1995-04-01 -0.44977597053727200 1995-07-01 -0.55687920493510900 1995-10-01 -0.51197270575527200 1996-01-01 -0.11614818586361900 1996-04-01 -0.24756856015702900 1996-07-01 -0.49535515668746400 1996-10-01 -0.52571031502861000 1997-01-01 -0.52549762268886800 1997-04-01 -0.09628187225398080 1997-07-01 -0.42038001525254800 1997-10-01 -0.82664882091285600 1998-01-01 0.21873398404716600 1998-04-01 0.65675112010963100 1998-07-01 0.17986033955182800 1998-10-01 -0.06813497605284760 1999-01-01 -0.48970514452163600 1999-04-01 -0.81667041831300100 1999-07-01 -1.05342320111010000 1999-10-01 -1.13217943013513000 2000-01-01 -0.76683790280867400 2000-04-01 -0.63142342063193600 2000-07-01 -0.75653266393667000 2000-10-01 -0.93787015588535200 2001-01-01 -0.28172634298681100 2001-04-01 0.66235659489328500 2001-07-01 0.64475217978421900 2001-10-01 0.26757966223769900 2002-01-01 -0.02959914078786460 2002-04-01 0.51287282387145800 2002-07-01 0.50847312925111200 2002-10-01 -0.23745430990684700 2003-01-01 0.23052195874999800 2003-04-01 0.30623032760380900 2003-07-01 -0.46740149838281400 2003-10-01 -0.71784060488740400 2004-01-01 -0.59541774273921900 2004-04-01 -0.36220632550213600 2004-07-01 -0.27930488280345800 2004-10-01 0.16061955685807600 2005-01-01 0.05277093890381670 2005-04-01 -0.39363589887883700 2005-07-01 -0.25985116182804700 2005-10-01 -0.72562716866348600 2006-01-01 -0.57244442340415700 2006-04-01 -0.11440806431113800 2006-07-01 -0.64747287658291200 2006-10-01 -0.66750595393844600 2007-01-01 -0.05448130259276430 2007-04-01 0.07221591481365400 2007-07-01 0.01499447718577420 2007-10-01 0.04321763037337990 2008-01-01 0.20594197961318800 2008-04-01 0.99658435630502600 2008-07-01 2.23623842430924000 2008-10-01 3.35173035535337000 2009-01-01 3.41805096983102000 2009-04-01 1.76179396738868000 2009-07-01 -0.50375200608918500 2009-10-01 -0.73727191576160400 2010-01-01 -0.55677599124251100 2010-04-01 -1.84920528455151000 2010-07-01 -2.04790357302347000 2010-10-01 -1.38635357484159000 2011-01-01 -0.81113571092816600