Quarterly Percent Change
1970-04-01 0.91185748604768100
1970-07-01 1.80723536378080000
1970-10-01 2.66273151348107000
1971-01-01 3.45822523928358000
1971-04-01 2.62522112292234000
1971-07-01 1.85900937858477000
1971-10-01 1.13878245653349000
1972-01-01 0.44738917116254500
1972-04-01 1.08777496352794000
1972-07-01 1.71153558576453000
1972-10-01 2.30750794266942000
1973-01-01 2.86614391217443000
1973-04-01 4.29970205720395000
1973-07-01 5.57347596394360000
1973-10-01 6.65366275313520000
1974-01-01 7.52724876092016000
1974-04-01 5.91114388897502000
1974-07-01 4.55284510076543000
1974-10-01 3.37098508330171000
1975-01-01 2.30952881659180000
1975-04-01 2.01753144424982000
1975-07-01 1.74251347176523000
1975-10-01 1.48157825233293000
1976-01-01 1.23222998380016000
1976-04-01 1.49991261409884000
1976-07-01 1.75625208200221000
1976-10-01 1.99963789017433000
1977-01-01 2.22876807521082000
1977-04-01 1.81732745777383000
1977-07-01 1.42851691352431000
1977-10-01 1.05704380079939000
1978-01-01 0.69830837252063900
1978-04-01 0.52766437214115800
1978-07-01 0.35996367810008400
1978-10-01 0.19433305020543400
1979-01-01 0.02993533909001080
1979-04-01 0.14253212455305300
1979-07-01 0.25477490692714700
1979-10-01 0.36628717222978200
1980-01-01 1.87268881056532000
1980-04-01 0.37868882579127000
1980-07-01 0.75452036726337600
1980-10-01 1.12330498598934000
1981-01-01 1.48110268936281000
1981-04-01 1.26020749469250000
1981-07-01 1.04772529308683000
1981-10-01 0.84210373319083500
1982-01-01 0.64193984553287400
1982-04-01 0.63825295379099200
1982-07-01 0.63461022642761800
1982-10-01 0.63101087245483000
1983-01-01 0.62745412739953900
1983-04-01 0.57309481814086400
1983-07-01 0.51966975420207000
1983-10-01 0.46708306983506400
1984-01-01 0.41524344349828200
1984-04-01 -0.04142846478621420
1984-07-01 -0.49658894631485200
1984-10-01 -0.95648204922310800
1985-01-01 -1.42755111704331000
1985-04-01 -0.80538729356366800
1985-07-01 -0.16386910271339600
1985-10-01 0.48498298565747500
1986-01-01 1.12863038030251000
1986-04-01 0.65819266019156900
1986-07-01 0.19904078014002600
1986-10-01 -0.25529911006679300
1987-01-01 -0.71105893441470500
1987-04-01 -0.65649557491223700
1987-07-01 -0.60078407150185700
1987-10-01 -0.54400251867240400
1988-01-01 -0.48623484916797200
1988-04-01 -0.20879171728656600
1988-07-01 0.07117582695667720
1988-10-01 0.35133016097515100
1989-01-01 0.62932410564017400
1989-04-01 0.35291009308792800
1989-07-01 0.08014894667890190
1989-10-01 -0.19121787296855900
1990-01-01 -0.46340662181018000
1990-04-01 -0.27004537148001600
1990-07-01 -0.10059668548075000
1990-10-01 0.36819986238981600
1991-01-01 0.78555667025772100
1991-04-01 0.81445389879177500
1991-07-01 0.61471519209676900
1991-10-01 0.32755619970121000
1992-01-01 0.21910110584800400
1992-04-01 0.44647228703979000
1992-07-01 0.54378079683337400
1992-10-01 0.34456757246749500
1993-01-01 0.07986269888351570
1993-04-01 0.18547407297889300
1993-07-01 0.42750215207841100
1993-10-01 0.46154425695230700
1994-01-01 0.50201879120387500
1994-04-01 0.32821433601361100
1994-07-01 0.04244124761610390
1994-10-01 -0.13724643812729000
1995-01-01 -0.43913389708266500
1995-04-01 -0.74494623293629600
1995-07-01 -0.82395427996958200
1995-10-01 -0.79901421342133100
1996-01-01 -0.71285498898162900
1996-04-01 -0.56680271038993000
1996-07-01 -0.54815432181981000
1996-10-01 -0.43230287905333900
1997-01-01 -0.09432455689448090
1997-04-01 0.09890286540917760
1997-07-01 0.22223780036714500
1997-10-01 0.27350165339875500
1998-01-01 0.04538941857097220
1998-04-01 -0.21947307634200300
1998-07-01 -0.54703802708998100
1998-10-01 -0.87882971609495200
1999-01-01 -0.98141885169198900
1999-04-01 -0.94321966137824700
1999-07-01 -0.71913940352404000
1999-10-01 -0.54838726430283700
2000-01-01 -0.59774284677557600
2000-04-01 -0.58994652269865000
2000-07-01 -0.65029549105792200
2000-10-01 -0.70764551126060400
2001-01-01 -0.45151071236651500
2001-04-01 -0.29707999921674100
2001-07-01 -0.48349442359069600
2001-10-01 -0.73850343176216100
2002-01-01 -1.12002841559728000
2002-04-01 -1.45803582858430000
2002-07-01 -1.40469678904298000
2002-10-01 -1.20448879119722000
2003-01-01 -1.13142785507192000
2003-04-01 -1.08162314506737000
2003-07-01 -0.99794124625620700
2003-10-01 -1.07265492386408000
2004-01-01 -1.09552575667237000
2004-04-01 -0.98577397751074600
2004-07-01 -1.07064514312638000
2004-10-01 -0.98159705064730100
2005-01-01 -0.79356742767904100
2005-04-01 -0.85276861592445400
2005-07-01 -0.63600083501959100
2005-10-01 -0.16327166043529100
2006-01-01 0.14880073402322600
2006-04-01 0.15413069142901200
2006-07-01 -0.16629253905917000
2006-10-01 -0.54843018383195300
2007-01-01 -0.85850439066307100
2007-04-01 -0.67975713903367500
2007-07-01 -0.24562033312314000
2007-10-01 -0.27409849924846200
2008-01-01 -0.26495854559571700
2008-04-01 -0.10447771751641800
2008-07-01 -0.00867603619308701
2008-10-01 0.23195089862992300
2009-01-01 0.50851981862052800
2009-04-01 0.66039636903012400
2009-07-01 0.54346507782246700
2009-10-01 0.33539244660826200
2010-01-01 0.27906941710774900
2010-04-01 0.31861196694359500
2010-07-01 0.48155021457174300
2010-10-01 0.63742450948766200
2011-01-01 0.58182100709905200
2011-04-01 0.30307895521594900
2011-07-01 0.07665924077708700