Quarter Index 2010=1 1988-01-01 0.634025565257570 1988-04-01 0.648303100515759 1988-07-01 0.690014540755699 1988-10-01 0.659592263415150 1989-01-01 0.687170886862061 1989-04-01 0.703149216389089 1989-07-01 0.712958832853246 1989-10-01 0.683598284463611 1990-01-01 0.670225027237715 1990-04-01 0.667274084093617 1990-07-01 0.689187216860428 1990-10-01 0.722673636234252 1991-01-01 0.646056295564409 1991-04-01 0.682347367937043 1991-07-01 0.682344524412850 1991-10-01 0.744158663881294 1992-01-01 0.671091348231119 1992-04-01 0.708996123872782 1992-07-01 0.694927981019104 1992-10-01 0.716361333223650 1993-01-01 0.683582865699601 1993-04-01 0.697420575206841 1993-07-01 0.704160442269429 1993-10-01 0.696222371935212 1994-01-01 0.671074163172550 1994-04-01 0.679793755555407 1994-07-01 0.691951544499275 1994-10-01 0.695592343306100 1995-01-01 0.666359162159994 1995-04-01 0.692593609917867 1995-07-01 0.694113878255529 1995-10-01 0.702671938365552 1996-01-01 0.697435022650183 1996-04-01 0.704077387385407 1996-07-01 0.698985398299052 1996-10-01 0.714431842699992 1997-01-01 0.713418262335654 1997-04-01 0.712313905924912 1997-07-01 0.714736341452646 1997-10-01 0.739615548860786 1998-01-01 0.746964137036624 1998-04-01 0.759022671823728 1998-07-01 0.754269435187425 1998-10-01 0.764615832558829 1999-01-01 0.770717227846496 1999-04-01 0.768654083231964 1999-07-01 0.757606212951837 1999-10-01 0.742524012662301 2000-01-01 0.791298717334534 2000-04-01 0.765624447099932 2000-07-01 0.741055796457346 2000-10-01 0.719532978483162 2001-01-01 0.794057405700184 2001-04-01 0.799397956010901 2001-07-01 0.782071136678760 2001-10-01 0.762803427386680 2002-01-01 0.831202440628890 2002-04-01 0.822160886351572 2002-07-01 0.815229939065556 2002-10-01 0.807234813124058 2003-01-01 0.842435358624450 2003-04-01 0.845980441286876 2003-07-01 0.833077764776974 2003-10-01 0.799713819097946 2004-01-01 0.855032997229492 2004-04-01 0.828268083217270 2004-07-01 0.838430340277800 2004-10-01 0.816910593663914 2005-01-01 0.907422273212884 2005-04-01 0.844421543771420 2005-07-01 0.843176618521029 2005-10-01 0.846821438644755 2006-01-01 0.919766159735611 2006-04-01 0.875500925942256 2006-07-01 0.852887334016625 2006-10-01 0.871435047012054 2007-01-01 0.928409379164161 2007-04-01 0.922077209368707 2007-07-01 0.893653027044102 2007-10-01 0.918853959645835 2008-01-01 0.993743108133457 2008-04-01 0.981116942509797 2008-07-01 0.975991690057264 2008-10-01 1.028220520827410 2009-01-01 1.050881542217860 2009-04-01 1.070442364537980 2009-07-01 1.015436286746720 2009-10-01 0.978651249745634 2010-01-01 1.036492381011940 2010-04-01 1.035419829515780 2010-07-01 0.966651121401392 2010-10-01 0.961436668070890 2011-01-01 1.014388020018550 2011-04-01 1.033616848871710