Quarter Index 2010=1 1981-01-01 0.253385037248806 1981-04-01 0.279698736360610 1981-07-01 0.344945102946785 1981-10-01 0.416897671982221 1982-01-01 0.303503372009853 1982-04-01 0.329419528886488 1982-07-01 0.400716033391058 1982-10-01 0.470704929696157 1983-01-01 0.343941848112665 1983-04-01 0.374972071645754 1983-07-01 0.448974631836370 1983-10-01 0.517830790537270 1984-01-01 0.388607380638165 1984-04-01 0.407953052671715 1984-07-01 0.470556291777120 1984-10-01 0.526849309311162 1985-01-01 0.400428698897091 1985-04-01 0.427914837909108 1985-07-01 0.500117400224567 1985-10-01 0.596155759436260 1986-01-01 0.441752775400518 1986-04-01 0.452612850765815 1986-07-01 0.519038331120807 1986-10-01 0.599227817801755 1987-01-01 0.458238463700840 1987-04-01 0.457146766489730 1987-07-01 0.549051439860688 1987-10-01 0.619424488648823 1988-01-01 0.457346317345096 1988-04-01 0.477790331268624 1988-07-01 0.571030527593664 1988-10-01 0.640528277298084 1989-01-01 0.495334119945464 1989-04-01 0.509174021432498 1989-07-01 0.603439550552900 1989-10-01 0.675953353400452 1990-01-01 0.527751283515151 1990-04-01 0.562181680299686 1990-07-01 0.641059092595083 1990-10-01 0.734955036289606 1991-01-01 0.580399699866960 1991-04-01 0.610239684478912 1991-07-01 0.694391444885646 1991-10-01 0.786428789423969 1992-01-01 0.595378146892803 1992-04-01 0.626729773341963 1992-07-01 0.712132904493326 1992-10-01 0.798594237017060 1993-01-01 0.609798166857750 1993-04-01 0.641308344258995 1993-07-01 0.740355926542178 1993-10-01 0.821127630524165 1994-01-01 0.606169328862155 1994-04-01 0.622241617873467 1994-07-01 0.704991942431811 1994-10-01 0.783992635466044 1995-01-01 0.592420723696970 1995-04-01 0.637195080571410 1995-07-01 0.710495053488367 1995-10-01 0.806717681397712 1996-01-01 0.626844998859735 1996-04-01 0.679482996327527 1996-07-01 0.739924930518914 1996-10-01 0.838825286608644 1997-01-01 0.675953593189341 1997-04-01 0.681286518617387 1997-07-01 0.749724205539222 1997-10-01 0.847199464611650 1998-01-01 0.646192842930355 1998-04-01 0.678078608409072 1998-07-01 0.746410613588444 1998-10-01 0.874272849592548 1999-01-01 0.668685336205301 1999-04-01 0.689023217396823 1999-07-01 0.763329584664842 1999-10-01 0.870452226766959 2000-01-01 0.652548005150343 2000-04-01 0.671701978514208 2000-07-01 0.747019605926228 2000-10-01 0.849442073290335 2001-01-01 0.667010933064201 2001-04-01 0.692326442313676 2001-07-01 0.775829230304963 2001-10-01 0.881347055979063 2002-01-01 0.699954923314514 2002-04-01 0.728992009534533 2002-07-01 0.789779113502259 2002-10-01 0.914752213990299 2003-01-01 0.732497744091427 2003-04-01 0.789078627491447 2003-07-01 0.846183125559553 2003-10-01 0.953781938386692 2004-01-01 0.755262173561590 2004-04-01 0.795845283894365 2004-07-01 0.846841168637232 2004-10-01 0.989381040805729 2005-01-01 0.787462937183280 2005-04-01 0.784269073121843 2005-07-01 0.855735446505092 2005-10-01 1.015602204368850 2006-01-01 0.791726887420060 2006-04-01 0.803572254319203 2006-07-01 0.870085188659281 2006-10-01 0.986047176772018 2007-01-01 0.787302148729234 2007-04-01 0.827772267119573 2007-07-01 0.885841768179975 2007-10-01 1.040434600273600 2008-01-01 0.837507864979948 2008-04-01 0.851694061017409 2008-07-01 0.963854930697150 2008-10-01 1.173638772260670 2009-01-01 1.001201024292560 2009-04-01 0.998893409562263 2009-07-01 1.000603867711960 2009-10-01 1.186065242062040 2010-01-01 0.926322026550566 2010-04-01 0.914281228769111 2010-07-01 0.971443421017531 2010-10-01 1.187953323662790 2011-01-01 0.970267045844590