Quarter Index 2010=1 1970-01-01 0.384064662868327 1970-04-01 0.384571545006438 1970-07-01 0.363046992176466 1970-10-01 0.414300172930636 1971-01-01 0.415932391193363 1971-04-01 0.420623188876913 1971-07-01 0.398919630853394 1971-10-01 0.450086613925677 1972-01-01 0.444987231094452 1972-04-01 0.452410183732059 1972-07-01 0.432318504421941 1972-10-01 0.479533853172923 1973-01-01 0.474807933523615 1973-04-01 0.483392244924357 1973-07-01 0.478534351233671 1973-10-01 0.534244944758614 1974-01-01 0.508472353877489 1974-04-01 0.537969493467220 1974-07-01 0.522032367271329 1974-10-01 0.585483912138828 1975-01-01 0.557661266798442 1975-04-01 0.572635355082956 1975-07-01 0.559239079556489 1975-10-01 0.610078294156570 1976-01-01 0.574519439000814 1976-04-01 0.582807012996915 1976-07-01 0.583319174273636 1976-10-01 0.628385841856432 1977-01-01 0.585152073678068 1977-04-01 0.594477394313097 1977-07-01 0.595865891787906 1977-10-01 0.641753407144808 1978-01-01 0.598325320393498 1978-04-01 0.598136809140360 1978-07-01 0.613785409346146 1978-10-01 0.655600673648145 1979-01-01 0.613485153027595 1979-04-01 0.614192644797362 1979-07-01 0.629622948715548 1979-10-01 0.677116811151306 1980-01-01 0.635252457388651 1980-04-01 0.659707947940263 1980-07-01 0.673371279461957 1980-10-01 0.727215513162886 1981-01-01 0.669305103400093 1981-04-01 0.685532503888447 1981-07-01 0.706892020472028 1981-10-01 0.752283162209101 1982-01-01 0.698274802585380 1982-04-01 0.717549794497293 1982-07-01 0.745470561285248 1982-10-01 0.788437592421620 1983-01-01 0.712318847384222 1983-04-01 0.712414665519919 1983-07-01 0.750595299734173 1983-10-01 0.791401990437114 1984-01-01 0.727432796034493 1984-04-01 0.716875266415042 1984-07-01 0.755174661162086 1984-10-01 0.800338845518575 1985-01-01 0.730903267824553 1985-04-01 0.729604604312775 1985-07-01 0.754959886074986 1985-10-01 0.812779759192954 1986-01-01 0.744800479523824 1986-04-01 0.731969693935579 1986-07-01 0.775890056419398 1986-10-01 0.824681804255121 1987-01-01 0.751207885563396 1987-04-01 0.749572576571076 1987-07-01 0.788907154575752 1987-10-01 0.839153948973654 1988-01-01 0.752413218178257 1988-04-01 0.752160611415990 1988-07-01 0.791525160864851 1988-10-01 0.840005298114156 1989-01-01 0.752669608805753 1989-04-01 0.753028526393108 1989-07-01 0.805566492115529 1989-10-01 0.855477023240027 1990-01-01 0.754976236039709 1990-04-01 0.768331839152986 1990-07-01 0.804964786362498 1990-10-01 0.872904733676395 1991-01-01 0.749672978911862 1991-04-01 0.769540789180557 1991-07-01 0.842381483026846 1991-10-01 0.936538342944223 1992-01-01 0.819801226275599 1992-04-01 0.839485144353423 1992-07-01 0.900798294048548 1992-10-01 0.985936629634239 1993-01-01 0.877283596114864 1993-04-01 0.872627118946468 1993-07-01 0.925274996768193 1993-10-01 1.018472000987500 1994-01-01 0.895724166680353 1994-04-01 0.890019338358618 1994-07-01 0.932719750592621 1994-10-01 1.025910551801720 1995-01-01 0.893512309349627 1995-04-01 0.894320837081995 1995-07-01 0.947418785034538 1995-10-01 1.032013485508800 1996-01-01 0.905830092649656 1996-04-01 0.890477382325570 1996-07-01 0.938730066889296 1996-10-01 1.020261735165340 1997-01-01 0.915203214120404 1997-04-01 0.883278495012524 1997-07-01 0.934334141429739 1997-10-01 1.014143577198560 1998-01-01 0.887523304061021 1998-04-01 0.890957310333768 1998-07-01 0.938636815401621 1998-10-01 1.019157898200680 1999-01-01 0.903393987822340 1999-04-01 0.906167749823213 1999-07-01 0.952909266535627 1999-10-01 1.034193002670290 2000-01-01 0.903953909707413 2000-04-01 0.905906542553617 2000-07-01 0.966258480825093 2000-10-01 1.061450447088150 2001-01-01 0.910258732229860 2001-04-01 0.912228595801987 2001-07-01 0.964754490220150 2001-10-01 1.046348833141970 2002-01-01 0.920134020613366 2002-04-01 0.909263941496616 2002-07-01 0.965934753668988 2002-10-01 1.058380331581180 2003-01-01 0.936506254363011 2003-04-01 0.930576771176574 2003-07-01 0.967053282204637 2003-10-01 1.067712488000670 2004-01-01 0.938085375677263 2004-04-01 0.927564241422814 2004-07-01 0.975148291553492 2004-10-01 1.064337126842120 2005-01-01 0.939131366238620 2005-04-01 0.921798271501289 2005-07-01 0.968694055735747 2005-10-01 1.059184088974320 2006-01-01 0.915788996810504 2006-04-01 0.908968554360688 2006-07-01 0.950573709181791 2006-10-01 1.037460320989340 2007-01-01 0.907449025522654 2007-04-01 0.907732959218446 2007-07-01 0.947671235456473 2007-10-01 1.049706844515240 2008-01-01 0.900103629321928 2008-04-01 0.893614681825450 2008-07-01 0.969083861245996 2008-10-01 1.076933149718930 2009-01-01 0.959214772902539 2009-04-01 0.956050684528289 2009-07-01 0.998891353057416 2009-10-01 1.101119909892890 2010-01-01 0.956462785517610 2010-04-01 0.947721972915969 2010-07-01 0.996868059891003 2010-10-01 1.098947181675420 2011-01-01 0.966006879586009