Quarterly Index 2010=1
1981-01-01 0.152869065861666
1981-04-01 0.191948236046430
1981-07-01 0.164843516776864
1981-10-01 0.193630874708392
1982-01-01 0.159582997021309
1982-04-01 0.229598168923546
1982-07-01 0.184879203828618
1982-10-01 0.243366105180348
1983-01-01 0.203451624168627
1983-04-01 0.287814355889492
1983-07-01 0.244072790468082
1983-10-01 0.310647414061484
1984-01-01 0.243810092368299
1984-04-01 0.330620073835328
1984-07-01 0.265577948072935
1984-10-01 0.333331407837635
1985-01-01 0.263634458174546
1985-04-01 0.345262156846238
1985-07-01 0.277294517128146
1985-10-01 0.359264247072511
1986-01-01 0.280968672932373
1986-04-01 0.372109927472011
1986-07-01 0.312058660191389
1986-10-01 0.392626606627931
1987-01-01 0.296813713656687
1987-04-01 0.398743098122315
1987-07-01 0.341758913181248
1987-10-01 0.445382968670896
1988-01-01 0.340275604819557
1988-04-01 0.438434719343755
1988-07-01 0.374336842192305
1988-10-01 0.481562557391433
1989-01-01 0.374146803431673
1989-04-01 0.474159774486543
1989-07-01 0.406065994321210
1989-10-01 0.531420719385159
1990-01-01 0.412409551930872
1990-04-01 0.519001426220658
1990-07-01 0.447832802894084
1990-10-01 0.547872573215718
1991-01-01 0.434827924376128
1991-04-01 0.556517976690484
1991-07-01 0.477419358309153
1991-10-01 0.609425033436594
1992-01-01 0.483862359345355
1992-04-01 0.621391046546205
1992-07-01 0.546509639509513
1992-10-01 0.664515398233543
1993-01-01 0.498678319591616
1993-04-01 0.631219674956310
1993-07-01 0.530355339280148
1993-10-01 0.656269696524938
1994-01-01 0.521582031466017
1994-04-01 0.676939867992284
1994-07-01 0.581860550322311
1994-10-01 0.688045183141233
1995-01-01 0.559723325916407
1995-04-01 0.683986253543648
1995-07-01 0.589647628330730
1995-10-01 0.722611265158514
1996-01-01 0.587822455720213
1996-04-01 0.731036447965486
1996-07-01 0.629054055623026
1996-10-01 0.759145605625641
1997-01-01 0.616973702792221
1997-04-01 0.749306510366166
1997-07-01 0.649478936495424
1997-10-01 0.774993558568778
1998-01-01 0.606820500013804
1998-04-01 0.757696021489001
1998-07-01 0.659556188769483
1998-10-01 0.790749814052662
1999-01-01 0.645462973657696
1999-04-01 0.774306871925190
1999-07-01 0.690815067442758
1999-10-01 0.805615997825901
2000-01-01 0.687735062869034
2000-04-01 0.795988604157710
2000-07-01 0.717000086919043
2000-10-01 0.804752062673494
2001-01-01 0.707328536141100
2001-04-01 0.789123754292957
2001-07-01 0.730851744546820
2001-10-01 0.843034035855355
2002-01-01 0.758219509922397
2002-04-01 0.820496365810150
2002-07-01 0.756789680122544
2002-10-01 0.868299986724284
2003-01-01 0.749278515782794
2003-04-01 0.815390483107919
2003-07-01 0.778828533548132
2003-10-01 0.957661092503455
2004-01-01 0.800332973591517
2004-04-01 0.861243145615150
2004-07-01 0.814736680556254
2004-10-01 0.970859916565076
2005-01-01 0.814131890522089
2005-04-01 0.911861626713400
2005-07-01 0.846726384353420
2005-10-01 1.016302830864930
2006-01-01 0.864468973972048
2006-04-01 0.945919957769401
2006-07-01 0.865916849372772
2006-10-01 1.013470109957780
2007-01-01 0.884694631383671
2007-04-01 0.976812425670851
2007-07-01 0.887962759339263
2007-10-01 1.092679392253650
2008-01-01 0.961706522555945
2008-04-01 0.975968662370761
2008-07-01 0.934108800811974
2008-10-01 1.077158450947380
2009-01-01 0.927017944834476
2009-04-01 1.004489727684420
2009-07-01 0.892365897645041
2009-10-01 1.104407926815650
2010-01-01 0.950333378958542
2010-04-01 1.018901795471050
2010-07-01 0.909000985520046
2010-10-01 1.121763840050360
2011-01-01 0.908211183543476