Quarterly Index 2010=1
1998-01-01 0.728965642444690
1998-04-01 0.695310753436301
1998-07-01 0.739418205350949
1998-10-01 0.894053964885226
1999-01-01 0.780644025224424
1999-04-01 0.723793121457135
1999-07-01 0.739493258216018
1999-10-01 0.922284052485953
2000-01-01 0.857252376574750
2000-04-01 0.800800752149242
2000-07-01 0.807530440990404
2000-10-01 1.020258316015220
2001-01-01 0.856651467816710
2001-04-01 0.790374223199208
2001-07-01 0.816593771952906
2001-10-01 1.000923067427830
2002-01-01 0.901858375559775
2002-04-01 0.805669826252103
2002-07-01 0.843128578457864
2002-10-01 0.992715495014878
2003-01-01 0.923764661915274
2003-04-01 0.858167269625174
2003-07-01 0.875005707200924
2003-10-01 0.907289130798229
2004-01-01 1.006579986536490
2004-04-01 0.900440209810414
2004-07-01 0.920426625830402
2004-10-01 0.983054361395879
2005-01-01 0.973877213491258
2005-04-01 0.888345694052417
2005-07-01 0.933392894859217
2005-10-01 0.925832021457538
2006-01-01 0.953705779704584
2006-04-01 0.867872502684331
2006-07-01 0.882217839622899
2006-10-01 0.899302035979239
2007-01-01 0.946910089037958
2007-04-01 0.873896404154590
2007-07-01 0.885202973119600
2007-10-01 0.920257979762730
2008-01-01 0.999843823876433
2008-04-01 0.932855961128369
2008-07-01 0.944170882317446
2008-10-01 0.979659055691086
2009-01-01 1.053123551958850
2009-04-01 0.951788847590379
2009-07-01 0.948260902707244
2009-10-01 1.012204576480370
2010-01-01 1.031230913583210
2010-04-01 0.949799069758031
2010-07-01 0.968354228046620
2010-10-01 1.050615788612140
2011-01-01 1.028735310241300
2011-04-01 0.964977463509541