Quarter Index 2010=1 1983-07-01 0.486472008101843 1983-10-01 0.524195303124849 1984-01-01 0.518632270336645 1984-04-01 0.524574781654295 1984-07-01 0.505531949508132 1984-10-01 0.550484127520440 1985-01-01 0.515860615861880 1985-04-01 0.520762939866136 1985-07-01 0.519346343465342 1985-10-01 0.569050633306490 1986-01-01 0.577303109004742 1986-04-01 0.562254021110166 1986-07-01 0.548755791297491 1986-10-01 0.587090122423371 1987-01-01 0.557987881841978 1987-04-01 0.567907641554308 1987-07-01 0.550766785501250 1987-10-01 0.580040386486360 1988-01-01 0.584244112984464 1988-04-01 0.586712518352764 1988-07-01 0.567864775750761 1988-10-01 0.594577152911444 1989-01-01 0.616514917500848 1989-04-01 0.611370868988140 1989-07-01 0.635055132716869 1989-10-01 0.681426223587400 1990-01-01 0.640373144566530 1990-04-01 0.669311168411154 1990-07-01 0.657466551110244 1990-10-01 0.697941141329066 1991-01-01 0.675636255363874 1991-04-01 0.650399517304336 1991-07-01 0.634362885102693 1991-10-01 0.700175208307166 1992-01-01 0.691773576908952 1992-04-01 0.702722750540911 1992-07-01 0.697673586184922 1992-10-01 0.713968590823119 1993-01-01 0.685511487258333 1993-04-01 0.685197374981972 1993-07-01 0.682678215788683 1993-10-01 0.705496489106494 1994-01-01 0.671350522785770 1994-04-01 0.676064978644014 1994-07-01 0.659370387660023 1994-10-01 0.713855491365977 1995-01-01 0.725949821425348 1995-04-01 0.744252609687807 1995-07-01 0.739976691786251 1995-10-01 0.757848680086259 1996-01-01 0.742430626335417 1996-04-01 0.780726880436372 1996-07-01 0.737804259889339 1996-10-01 0.752195175041801 1997-01-01 0.747728574035489 1997-04-01 0.754835650658251 1997-07-01 0.754170024089034 1997-10-01 0.770533138335730 1998-01-01 0.752922677307926 1998-04-01 0.746633054966578 1998-07-01 0.745506951007215 1998-10-01 0.753599198585899 1999-01-01 0.761391378329993 1999-04-01 0.769119527004217 1999-07-01 0.758810550428466 1999-10-01 0.775954724530967 2000-01-01 0.745616733329516 2000-04-01 0.776477889324682 2000-07-01 0.750625473770519 2000-10-01 0.785641723476489 2001-01-01 0.795292186749656 2001-04-01 0.790304396706546 2001-07-01 0.766926222230388 2001-10-01 0.770452369359683 2002-01-01 0.775745849927600 2002-04-01 0.785575987591556 2002-07-01 0.809340777688236 2002-10-01 0.807748503729369 2003-01-01 0.809017626291722 2003-04-01 0.817121954445668 2003-07-01 0.797489000875166 2003-10-01 0.805481675224590 2004-01-01 0.800161557368033 2004-04-01 0.813036955553457 2004-07-01 0.840395216389104 2004-10-01 0.857378555416653 2005-01-01 0.879452352191297 2005-04-01 0.887630908869683 2005-07-01 0.876858005384857 2005-10-01 0.899100430262367 2006-01-01 0.908784861140890 2006-04-01 0.905399629763987 2006-07-01 0.914991265773068 2006-10-01 0.911299165327099 2007-01-01 0.939212861899875 2007-04-01 0.964914798180122 2007-07-01 0.941591125976926 2007-10-01 0.943714622520396 2008-01-01 0.943287653120102 2008-04-01 0.962353979760877 2008-07-01 0.971507387261281 2008-10-01 1.049983457680990 2009-01-01 1.076004881547880 2009-04-01 1.041294033026870 2009-07-01 1.023494641747760 2009-10-01 0.978854785984075 2010-01-01 0.983724700589340 2010-04-01 1.005785797326980 2010-07-01 0.987879112714517 2010-10-01 1.022610389369160 2011-01-01 1.071317730635590 2011-04-01 1.054195350073660 2011-07-01 1.042302959655370