Quarterly Percent Change
1987-04-01 3.883837595661870
1987-07-01 7.477270161656110
1987-10-01 10.435579593539400
1988-01-01 12.599304701204900
1988-04-01 17.282706271649900
1988-07-01 19.931267129017100
1988-10-01 20.950799703626700
1989-01-01 20.903324218241300
1989-04-01 17.741828688695900
1989-07-01 15.452783908787000
1989-10-01 13.717419497258800
1990-01-01 12.355487510466300
1990-04-01 16.026100801071400
1990-07-01 18.147135693315500
1990-10-01 19.028624793048400
1991-01-01 19.068927566709500
1991-04-01 17.586582043483500
1991-07-01 16.292789788021300
1991-10-01 15.159408617599000
1992-01-01 14.161820559221500
1992-04-01 10.917519125105300
1992-07-01 8.501812112683110
1992-10-01 6.599618668111620
1993-01-01 5.031535939083710
1993-04-01 11.276356788279900
1993-07-01 15.962255132796000
1993-10-01 18.791336607770600
1994-01-01 20.049972640023200
1994-04-01 15.222042324881000
1994-07-01 11.927171520487000
1994-10-01 9.509121924868460
1995-01-01 7.635943682822840
1995-04-01 10.186984210472800
1995-07-01 12.052000880340900
1995-10-01 13.260648970858400
1996-01-01 13.919730131786400
1996-04-01 16.729754177192300
1996-07-01 18.196401625508200
1996-10-01 18.664497356908800
1997-01-01 18.483994543888100
1997-04-01 16.476091207357400
1997-07-01 14.897278359276700
1997-10-01 13.620066982489200
1998-01-01 12.563271473723700
1998-04-01 17.733779107899000
1998-07-01 20.645292307863200
1998-10-01 21.739742188259000
1999-01-01 21.658576155968900
1999-04-01 16.369603946625500
1999-07-01 12.835357436600000
1999-10-01 10.283840203483500
2000-01-01 8.335204016210770
2000-04-01 8.510813336653540
2000-07-01 8.416336795785090
2000-10-01 9.226522806908340
2001-01-01 10.098679702386400
2001-04-01 9.796806826852160
2001-07-01 9.409559882383180
2001-10-01 9.255122753017020
2002-01-01 7.925653185151860
2002-04-01 6.149673793304970
2002-07-01 4.625231509065110
2002-10-01 3.048528128457370
2003-01-01 2.319440425820720
2003-04-01 2.092662898917380
2003-07-01 1.543391703411220
2003-10-01 1.157202521511340
2004-01-01 1.187648922912530
2004-04-01 1.533467350827250
2004-07-01 1.932325883566920
2004-10-01 2.118460217404420
2005-01-01 1.865902439781970
2005-04-01 1.523359613204680
2005-07-01 1.394812366760690
2005-10-01 1.292873392733100
2006-01-01 0.995742169903961
2006-04-01 0.689657760056151
2006-07-01 0.612971383779618
2006-10-01 0.550225993710823