Quarterly Index 2010=1
1980-01-01 0.419526592708851
1980-04-01 0.425673680699537
1980-07-01 0.416498756878921
1980-10-01 0.467036767470744
1981-01-01 0.426530492204898
1981-04-01 0.429254291375302
1981-07-01 0.423050323340761
1981-10-01 0.490170349761373
1982-01-01 0.458532920775358
1982-04-01 0.464858600400208
1982-07-01 0.465779415750766
1982-10-01 0.516697886591018
1983-01-01 0.496915183074258
1983-04-01 0.524941386581890
1983-07-01 0.513114589419318
1983-10-01 0.586642318519702
1984-01-01 0.542354889598900
1984-04-01 0.559287248319331
1984-07-01 0.543048936589836
1984-10-01 0.600216282284424
1985-01-01 0.553160086311694
1985-04-01 0.566461774038494
1985-07-01 0.552254027769727
1985-10-01 0.622241678787091
1986-01-01 0.572286064788050
1986-04-01 0.587057926291418
1986-07-01 0.563443795452393
1986-10-01 0.635626683316583
1987-01-01 0.583287467648297
1987-04-01 0.604452228957042
1987-07-01 0.580663577865454
1987-10-01 0.635985538284010
1988-01-01 0.570762361496717
1988-04-01 0.596260589559947
1988-07-01 0.562625163717300
1988-10-01 0.622377938482326
1989-01-01 0.585598562608645
1989-04-01 0.620092786136574
1989-07-01 0.590585819980514
1989-10-01 0.654388507591360
1990-01-01 0.607751389756615
1990-04-01 0.643755388892270
1990-07-01 0.608859427692952
1990-10-01 0.672564956105672
1991-01-01 0.651593046806087
1991-04-01 0.676849295515480
1991-07-01 0.660157947777626
1991-10-01 0.731907178156061
1992-01-01 0.693503886031007
1992-04-01 0.728939488567720
1992-07-01 0.702465680292270
1992-10-01 0.764649956197990
1993-01-01 0.780763327357810
1993-04-01 0.772161236841769
1993-07-01 0.747114753786360
1993-10-01 0.819774616161366
1994-01-01 0.794302754758390
1994-04-01 0.780923113689187
1994-07-01 0.750655585911047
1994-10-01 0.791680301116930
1995-01-01 0.750268508737137
1995-04-01 0.787815902792529
1995-07-01 0.691830346960048
1995-10-01 0.772631329659728
1996-01-01 0.737164066922824
1996-04-01 0.793849840190466
1996-07-01 0.683639770727688
1996-10-01 0.786539776212784
1997-01-01 0.774950451600606
1997-04-01 0.821942974961111
1997-07-01 0.709581074399604
1997-10-01 0.749601182938782
1998-01-01 0.775882593592510
1998-04-01 0.801936279007455
1998-07-01 0.711371301161646
1998-10-01 0.796874570868895
1999-01-01 0.779748811778144
1999-04-01 0.832508114899121
1999-07-01 0.727952144021878
1999-10-01 0.819157509721324
2000-01-01 0.811077608058927
2000-04-01 0.854850272713241
2000-07-01 0.757322655590976
2000-10-01 0.856896756074498
2001-01-01 0.864329286091074
2001-04-01 0.919310029764660
2001-07-01 0.817995985346005
2001-10-01 0.888655470635948
2002-01-01 0.876647854599279
2002-04-01 0.914628262967291
2002-07-01 0.797685883180795
2002-10-01 0.890356795753594
2003-01-01 0.878202168110706
2003-04-01 0.934172905708381
2003-07-01 0.810057319523215
2003-10-01 0.906092896441940
2004-01-01 0.877099571185817
2004-04-01 0.932443529685938
2004-07-01 0.821568473932500
2004-10-01 0.906860679243940
2005-01-01 0.881047359613528
2005-04-01 0.926895027503059
2005-07-01 0.815656108068589
2005-10-01 0.903741226043891
2006-01-01 0.888358302717813
2006-04-01 0.938664652213919
2006-07-01 0.835298823607163
2006-10-01 0.925019889281805
2007-01-01 0.923244514432696
2007-04-01 0.984227398818944
2007-07-01 0.875918181723925
2007-10-01 0.979092237087114
2008-01-01 0.954896592112176
2008-04-01 1.009091690291410
2008-07-01 0.896488171558662
2008-10-01 1.016959305004660
2009-01-01 0.994412647288908
2009-04-01 1.039660521420350
2009-07-01 0.929743842386755
2009-10-01 1.028272641325360
2010-01-01 0.985621037821771
2010-04-01 1.040421117073870
2010-07-01 0.936238332480866
2010-10-01 1.037719512623490
2011-01-01 1.008093277708370