Quarter Index 2010=1 1981-01-01 0.152869065861666 1981-04-01 0.191948236046430 1981-07-01 0.164843516776864 1981-10-01 0.193630874708392 1982-01-01 0.159582997021309 1982-04-01 0.229598168923546 1982-07-01 0.184879203828618 1982-10-01 0.243366105180348 1983-01-01 0.203451624168627 1983-04-01 0.287814355889492 1983-07-01 0.244072790468082 1983-10-01 0.310647414061484 1984-01-01 0.243810092368299 1984-04-01 0.330620073835328 1984-07-01 0.265577948072935 1984-10-01 0.333331407837635 1985-01-01 0.263634458174546 1985-04-01 0.345262156846238 1985-07-01 0.277294517128146 1985-10-01 0.359264247072511 1986-01-01 0.280968672932373 1986-04-01 0.372109927472011 1986-07-01 0.312058660191389 1986-10-01 0.392626606627931 1987-01-01 0.296813713656687 1987-04-01 0.398743098122315 1987-07-01 0.341758913181248 1987-10-01 0.445382968670896 1988-01-01 0.340275604819557 1988-04-01 0.438434719343755 1988-07-01 0.374336842192305 1988-10-01 0.481562557391433 1989-01-01 0.374146803431673 1989-04-01 0.474159774486543 1989-07-01 0.406065994321210 1989-10-01 0.531420719385159 1990-01-01 0.412409551930872 1990-04-01 0.519001426220658 1990-07-01 0.447832802894084 1990-10-01 0.547872573215718 1991-01-01 0.434827924376128 1991-04-01 0.556517976690484 1991-07-01 0.477419358309153 1991-10-01 0.609425033436594 1992-01-01 0.483862359345355 1992-04-01 0.621391046546205 1992-07-01 0.546509639509513 1992-10-01 0.664515398233543 1993-01-01 0.498678319591616 1993-04-01 0.631219674956310 1993-07-01 0.530355339280148 1993-10-01 0.656269696524938 1994-01-01 0.521582031466017 1994-04-01 0.676939867992284 1994-07-01 0.581860550322311 1994-10-01 0.688045183141233 1995-01-01 0.559723325916407 1995-04-01 0.683986253543648 1995-07-01 0.589647628330730 1995-10-01 0.722611265158514 1996-01-01 0.587822455720213 1996-04-01 0.731036447965486 1996-07-01 0.629054055623026 1996-10-01 0.759145605625641 1997-01-01 0.616973702792221 1997-04-01 0.749306510366166 1997-07-01 0.649478936495424 1997-10-01 0.774993558568778 1998-01-01 0.606820500013804 1998-04-01 0.757696021489001 1998-07-01 0.659556188769483 1998-10-01 0.790749814052662 1999-01-01 0.645462973657696 1999-04-01 0.774306871925190 1999-07-01 0.690815067442758 1999-10-01 0.805615997825901 2000-01-01 0.687735062869034 2000-04-01 0.795988604157710 2000-07-01 0.717000086919043 2000-10-01 0.804752062673494 2001-01-01 0.707328536141100 2001-04-01 0.789123754292957 2001-07-01 0.730851744546820 2001-10-01 0.843034035855355 2002-01-01 0.758219509922397 2002-04-01 0.820496365810150 2002-07-01 0.756789680122544 2002-10-01 0.868299986724284 2003-01-01 0.749278515782794 2003-04-01 0.815390483107919 2003-07-01 0.778828533548132 2003-10-01 0.957661092503455 2004-01-01 0.800332973591517 2004-04-01 0.861243145615150 2004-07-01 0.814736680556254 2004-10-01 0.970859916565076 2005-01-01 0.814131890522089 2005-04-01 0.911861626713400 2005-07-01 0.846726384353420 2005-10-01 1.016302830864930 2006-01-01 0.864468973972048 2006-04-01 0.945919957769401 2006-07-01 0.865916849372772 2006-10-01 1.013470109957780 2007-01-01 0.884694631383671 2007-04-01 0.976812425670851 2007-07-01 0.887962759339263 2007-10-01 1.092679392253650 2008-01-01 0.961706522555945 2008-04-01 0.975968662370761 2008-07-01 0.934108800811974 2008-10-01 1.077158450947380 2009-01-01 0.927017944834476 2009-04-01 1.004489727684420 2009-07-01 0.892365897645041 2009-10-01 1.104407926815650 2010-01-01 0.950333378958542 2010-04-01 1.018901795471050 2010-07-01 0.909000985520046 2010-10-01 1.121763840050360 2011-01-01 0.908211183543476