Quarter Index 2010=1 1980-01-01 0.457565634697821 1980-04-01 0.485045591967039 1980-07-01 0.454986794632918 1980-10-01 0.544554501779325 1981-01-01 0.484509873172007 1981-04-01 0.506833211318444 1981-07-01 0.476365978895356 1981-10-01 0.574061515604576 1982-01-01 0.511097495124757 1982-04-01 0.536485421028898 1982-07-01 0.511745655506985 1982-10-01 0.588586044237423 1983-01-01 0.533564757710171 1983-04-01 0.564954656956672 1983-07-01 0.528788698500112 1983-10-01 0.625873736310467 1984-01-01 0.553825236535811 1984-04-01 0.586358057449057 1984-07-01 0.550653121238686 1984-10-01 0.649411683161457 1985-01-01 0.578448072783089 1985-04-01 0.611290393290476 1985-07-01 0.570376747390233 1985-10-01 0.670340257657416 1986-01-01 0.603220921027661 1986-04-01 0.627344003260923 1986-07-01 0.587876653100455 1986-10-01 0.696102402904257 1987-01-01 0.619135037417602 1987-04-01 0.648501818617508 1987-07-01 0.603255936117510 1987-10-01 0.694954552318459 1988-01-01 0.617002173983399 1988-04-01 0.643164684755529 1988-07-01 0.600759400098030 1988-10-01 0.692631282894020 1989-01-01 0.631291739033150 1989-04-01 0.662700951795330 1989-07-01 0.626848743628425 1989-10-01 0.723145279044776 1990-01-01 0.655238572919063 1990-04-01 0.690524485791018 1990-07-01 0.656810562185337 1990-10-01 0.763802441359369 1991-01-01 0.712305322376282 1991-04-01 0.745614445888927 1991-07-01 0.710692059255955 1991-10-01 0.765058568476803 1992-01-01 0.732065019065899 1992-04-01 0.773801694353606 1992-07-01 0.728896986383726 1992-10-01 0.839344786345888 1993-01-01 0.787262806704520 1993-04-01 0.806255404148339 1993-07-01 0.765257744768920 1993-10-01 0.868550271175322 1994-01-01 0.804094345918067 1994-04-01 0.811093642504120 1994-07-01 0.769741356394028 1994-10-01 0.847717325894121 1995-01-01 0.779208056416927 1995-04-01 0.823115127805621 1995-07-01 0.737999814087047 1995-10-01 0.885963027629613 1996-01-01 0.775472462597234 1996-04-01 0.837556637209494 1996-07-01 0.740702993923505 1996-10-01 0.901220638618292 1997-01-01 0.788426553809634 1997-04-01 0.836047833749170 1997-07-01 0.733476206254219 1997-10-01 0.893156381123199 1998-01-01 0.784378671173404 1998-04-01 0.829881341361629 1998-07-01 0.752813827523583 1998-10-01 0.925399006314228 1999-01-01 0.811480449155864 1999-04-01 0.854542111424817 1999-07-01 0.767252177076070 1999-10-01 0.929140578016122 2000-01-01 0.821966863042383 2000-04-01 0.859745890491943 2000-07-01 0.772724313326228 2000-10-01 0.937955071714902 2001-01-01 0.837820388894329 2001-04-01 0.895049249914699 2001-07-01 0.812323957422906 2001-10-01 0.976728654070722 2002-01-01 0.871438397800558 2002-04-01 0.904270343397299 2002-07-01 0.807146159563355 2002-10-01 0.980115590002035 2003-01-01 0.857767279544646 2003-04-01 0.918423299933104 2003-07-01 0.808530842433150 2003-10-01 0.971435335941685 2004-01-01 0.864110096720864 2004-04-01 0.910077135732072 2004-07-01 0.804965451707827 2004-10-01 0.961118929752075 2005-01-01 0.870089173738642 2005-04-01 0.917950645670999 2005-07-01 0.812903318301187 2005-10-01 0.965390109209337 2006-01-01 0.880177932657846 2006-04-01 0.935981987463079 2006-07-01 0.833073370857758 2006-10-01 0.987331859752504 2007-01-01 0.893774229797108 2007-04-01 0.968240546456090 2007-07-01 0.847048336385982 2007-10-01 1.006823479618360 2008-01-01 0.922444673040742 2008-04-01 0.981920848844304 2008-07-01 0.881311647511809 2008-10-01 1.077895330115700 2009-01-01 1.000835798495660 2009-04-01 1.044890434253460 2009-07-01 0.924608504701957 2009-10-01 1.086832419010350 2010-01-01 0.978518763222558 2010-04-01 1.029133704245120 2010-07-01 0.918353887267266 2010-10-01 1.073993645265050 2011-01-01 0.984698225355148