Quarter	Percent Change
1987-04-01	8.843383675113750
1987-07-01	16.249787969395300
1987-10-01	20.967486154537900
1988-01-01	23.110900575777300
1988-04-01	18.649854966979600
1988-07-01	15.615104960713000
1988-10-01	13.416770377768500
1989-01-01	11.750845341249600
1989-04-01	11.632834012417400
1989-07-01	11.421773742709700
1989-10-01	11.149460778005600
1990-01-01	10.839452293349000
1990-04-01	13.277639698287100
1990-07-01	14.809509090566800
1990-10-01	15.589038227053300
1991-01-01	15.813672295787900
1991-04-01	14.734557078688400
1991-07-01	13.783730701595800
1991-10-01	12.941360747624400
1992-01-01	12.191055270154800
1992-04-01	12.931648381324700
1992-07-01	13.279679129488600
1992-10-01	13.337337953857200
1993-01-01	13.192267597347200
1993-04-01	14.600175722841300
1993-07-01	15.310279848031400
1993-10-01	15.506390865370100
1994-01-01	15.354403212368500
1994-04-01	13.519560419274000
1994-07-01	12.093497787742900
1994-10-01	10.952947176361000
1995-01-01	10.019683786496500
1995-04-01	11.612975479842200
1995-07-01	12.649763636199700
1995-10-01	13.222259999932200
1996-01-01	13.438377262975200
1996-04-01	17.204381796723500
1996-07-01	19.250433509501300
1996-10-01	19.976371308010900
1997-01-01	19.845474306383800
1997-04-01	17.014409368183400
1997-07-01	14.929443440681300
1997-10-01	13.328566414759600
1998-01-01	12.059658770837800
1998-04-01	12.785881021835600
1998-07-01	13.131024766967200
1998-10-01	13.193224195344600
1999-01-01	13.056904148174900
1999-04-01	9.571158457245030
1999-07-01	6.930062963618550
1999-10-01	4.792869569302710
2000-01-01	2.962805337330960
2000-04-01	7.769912386440840
2000-07-01	9.250605975100270
2000-10-01	16.220701485704400
2001-01-01	17.960149383638000
2001-04-01	16.805058609048500
2001-07-01	12.930581070557000
2001-10-01	4.516788601923120
2002-01-01	-1.108465617100020
2002-04-01	-1.694239844580010
2002-07-01	-2.429308227963640
2002-10-01	-1.787708293983420
2003-01-01	0.504002101173272
2003-04-01	1.084965773863400
2003-07-01	1.376850895791660
2003-10-01	1.654085792071260
2004-01-01	1.158687746383430
2004-04-01	2.046922344161610
2004-07-01	5.465353006326030
2004-10-01	9.220043928451040
2005-01-01	9.497760575019190
2005-04-01	7.463165894981550
2005-07-01	5.683803823923230
2005-10-01	4.627922070123400
2006-01-01	4.581064240154980
2006-04-01	4.806969213732470
2006-07-01	3.980455061271710
2006-10-01	2.212092955747090