Quarter Index 2010=1 1980-01-01 0.489612346385366 1980-04-01 0.510276333598540 1980-07-01 0.484253324301680 1980-10-01 0.461652104347207 1981-01-01 0.490444161249490 1981-04-01 0.531577203619540 1981-07-01 0.568338580408421 1981-10-01 0.558062199010673 1982-01-01 0.596324411107833 1982-04-01 0.596193236491499 1982-07-01 0.586244787263080 1982-10-01 0.560800352401814 1983-01-01 0.602074989404446 1983-04-01 0.639851801543227 1983-07-01 0.609921966312450 1983-10-01 0.566517829237556 1984-01-01 0.620187759101852 1984-04-01 0.667079097100485 1984-07-01 0.623648904731233 1984-10-01 0.622267790378768 1985-01-01 0.641001113959560 1985-04-01 0.689631862278281 1985-07-01 0.656453320142947 1985-10-01 0.612984797723168 1986-01-01 0.669747472330576 1986-04-01 0.648304308634466 1986-07-01 0.581828155702690 1986-10-01 0.636973917050895 1987-01-01 0.647807399759172 1987-04-01 0.652306872518990 1987-07-01 0.620990081682852 1987-10-01 0.574842202191970 1988-01-01 0.633204528198739 1988-04-01 0.643631224583238 1988-07-01 0.616709492906214 1988-10-01 0.573724571576810 1989-01-01 0.673971227526862 1989-04-01 0.654845473597922 1989-07-01 0.646811758844094 1989-10-01 0.610955079366102 1990-01-01 0.673952384363780 1990-04-01 0.665723523615704 1990-07-01 0.658093321835967 1990-10-01 0.630299141699027 1991-01-01 0.704802407028184 1991-04-01 0.714774161316022 1991-07-01 0.689105721146795 1991-10-01 0.680173277994251 1992-01-01 0.679958744351491 1992-04-01 0.803023709326566 1992-07-01 0.749292021799309 1992-10-01 0.728073209712864 1993-01-01 0.798899887697308 1993-04-01 0.790561884152754 1993-07-01 0.762907999530038 1993-10-01 0.736627783206002 1994-01-01 0.867695623200844 1994-04-01 0.785391223275432 1994-07-01 0.762624432683395 1994-10-01 0.721563251383926 1995-01-01 0.828047900225639 1995-04-01 0.860008737174172 1995-07-01 0.779875103353265 1995-10-01 0.798771702764334 1996-01-01 0.800326733090908 1996-04-01 0.873771156239904 1996-07-01 0.819252648772750 1996-10-01 0.827156062697384 1997-01-01 0.851109775560591 1997-04-01 0.846532890336441 1997-07-01 0.799153396070584 1997-10-01 0.792062012365439 1998-01-01 0.870333202564431 1998-04-01 0.856732275785533 1998-07-01 0.826280495371743 1998-10-01 0.822407483607419 1999-01-01 0.933860186493059 1999-04-01 0.893302485851805 1999-07-01 0.846521349482854 1999-10-01 0.852129427148689 2000-01-01 0.906412437180668 2000-04-01 0.877453430209683 2000-07-01 0.824511176640936 2000-10-01 0.846942206219028 2001-01-01 0.899043765895954 2001-04-01 0.861467757069105 2001-07-01 0.829728148410668 2001-10-01 0.916536077765197 2002-01-01 0.940165877591883 2002-04-01 0.927110903597754 2002-07-01 0.857258125576167 2002-10-01 0.861135929922604 2003-01-01 0.900972915943282 2003-04-01 0.914767456164014 2003-07-01 0.874526595681107 2003-10-01 0.884273355180144 2004-01-01 0.932238707845411 2004-04-01 0.911931983323998 2004-07-01 0.851967270661602 2004-10-01 0.851865059071532 2005-01-01 0.891587548826004 2005-04-01 0.902485378565994 2005-07-01 0.836399429403956 2005-10-01 0.841917737439182 2006-01-01 0.879260675000229 2006-04-01 0.889008558089504 2006-07-01 0.819285986663979 2006-10-01 0.834045579721906 2007-01-01 0.920884737257500 2007-04-01 0.894596264778170 2007-07-01 0.868143191869095 2007-10-01 0.891729589920630 2008-01-01 0.985563966784858 2008-04-01 0.986760661666375 2008-07-01 0.932196765300751 2008-10-01 0.923950044765601 2009-01-01 1.071108076245190 2009-04-01 1.009760299010480 2009-07-01 0.977315700967934 2009-10-01 0.938035949975221 2010-01-01 1.082522581259710 2010-04-01 1.034089083493670 2010-07-01 0.974124044344715 2010-10-01 0.909264290901910 2011-01-01 1.102548044189600