Quarter	Percent Change
1970-04-01	1.4998832682951800
1970-07-01	2.9554388113192800
1970-10-01	4.3059001725773400
1971-01-01	5.5041948355526400
1971-04-01	4.2117782113336100
1971-07-01	3.0769243412181600
1971-10-01	2.0492380363760300
1972-01-01	1.0910428497675900
1972-04-01	1.3491823523232900
1972-07-01	1.5975430385255500
1972-10-01	1.8345568139871800
1973-01-01	2.0589183844600600
1973-04-01	4.4281172025263200
1973-07-01	6.5488607445996200
1973-10-01	8.3129675517869700
1974-01-01	9.6752860205216800
1974-04-01	8.0172305990105700
1974-07-01	6.6773650849807200
1974-10-01	5.5612103400378800
1975-01-01	4.6068237533565300
1975-04-01	3.8644571251153400
1975-07-01	3.2012609808596700
1975-10-01	2.5986588105454200
1976-01-01	2.0422865548886600
1976-04-01	2.5810959670807800
1976-07-01	3.0812500836539600
1976-10-01	3.5373539231179700
1977-01-01	3.9459773722691100
1977-04-01	5.2873159114806100
1977-07-01	6.4380509385366000
1977-10-01	7.3792258203963100
1978-01-01	8.1112664643320900
1978-04-01	7.5602698088086700
1978-07-01	7.0823895677845900
1978-10-01	6.6639442495032700
1979-01-01	6.2944658573912800
1979-04-01	7.3178787280046800
1979-07-01	8.1198329415767900
1979-10-01	8.7132807742275900
1980-01-01	9.1217288688747500
1980-04-01	8.1382170772203000
1980-07-01	7.3213811307695400
1980-10-01	6.6314907363065200
1981-01-01	6.0404850597953900
1981-04-01	5.1814433209459400
1981-07-01	4.4366109535493300
1981-10-01	3.7793515230760200
1982-01-01	3.1900039280860100
1982-04-01	2.8450305835104800
1982-07-01	2.5267848146911500
1982-10-01	2.2308725661391000
1983-01-01	1.9536498285242100
1983-04-01	1.5305911640057700
1983-07-01	1.1277080754680900
1983-10-01	0.7395588477279340
1984-01-01	0.3613129050976100
1984-04-01	0.2934081824169380
1984-07-01	0.2261406474081140
1984-10-01	0.1593711753987420
1985-01-01	0.0929636874494350
1985-04-01	0.9013772824496680
1985-07-01	1.6946023917184300
1985-10-01	2.4542893503966000
1986-01-01	3.1645473739223700
1986-04-01	1.9389765868181500
1986-07-01	0.7950614037589870
1986-10-01	-0.3095116959231630
1987-01-01	-1.4121843663110200
1987-04-01	-0.4588516660083030
1987-07-01	0.5170819814263280
1987-10-01	1.4874395316955500
1988-01-01	2.4243955859809600
1988-04-01	3.0303731900725200
1988-07-01	3.5850946712287400
1988-10-01	4.0825823917667300
1989-01-01	4.5196329482796300
1989-04-01	3.9011495125282200
1989-07-01	3.3475123653435500
1989-10-01	2.8451102496725700
1990-01-01	2.3833285349424400
1990-04-01	3.2019866517794500
1990-07-01	3.9496575551972100
1990-10-01	4.6144207541716000
1991-01-01	5.1897765196544800
1991-04-01	4.2508669273666800
1991-07-01	3.4225199763490600
1991-10-01	2.6759197954024700
1992-01-01	1.9893463475554700
1992-04-01	1.3649459313867900
1992-07-01	0.7688541170503690
1992-10-01	0.1896838092196830
1993-01-01	-0.3828939472621350
1993-04-01	2.0104571077161500
1993-07-01	2.6700703681906000
1993-10-01	2.3460513547658200
1994-01-01	2.7488275629914500
1994-04-01	3.5774281602115000
1994-07-01	2.4027727214446000
1994-10-01	1.3407983224518200
1995-01-01	2.2478661523444200
1995-04-01	3.2260188704398500
1995-07-01	3.0141115711604700
1995-10-01	3.0371791543945500
1996-01-01	1.7173105315465500
1996-04-01	1.0189789406881500
1996-07-01	1.4492670048968700
1996-10-01	-0.2872257033344360
1997-01-01	-1.4056613832514500
1997-04-01	-0.4752699113149960
1997-07-01	0.9438921996368930
1997-10-01	2.2468373004398200
1998-01-01	2.8972560947595000
1998-04-01	0.6498933376430320
1998-07-01	-2.6651272670808600
1998-10-01	-3.0373271213914200
1999-01-01	-2.0407701629841200
1999-04-01	-1.1187671166217100
1999-07-01	0.8936460682401330
1999-10-01	1.1761547118515200
2000-01-01	0.4844917844294610
2000-04-01	2.5676773745289000
2000-07-01	4.2535183990815100
2000-10-01	3.1311464945439300
2001-01-01	0.9735343165054700
2001-04-01	0.2211521854327860
2001-07-01	0.8239080690847960
2001-10-01	-0.0624494078744110
2002-01-01	-1.3371128603941800
2002-04-01	-0.6395380506067450
2002-07-01	0.6218006967911920
2002-10-01	1.6578531381098200
2003-01-01	1.4932769060278400
2003-04-01	-0.3270560516871770
2003-07-01	-1.2019281572128400
2003-10-01	0.6558406873435040
2004-01-01	1.8825808387676400
2004-04-01	0.9420728247938370
2004-07-01	1.4270853284556600
2004-10-01	1.5544405393105600
2005-01-01	0.7744109931001440
2005-04-01	1.0498132211093400
2005-07-01	1.3680671683067300
2005-10-01	1.4698884218165400
2006-01-01	0.9285553034152360
2006-04-01	0.0590829929085237
2006-07-01	-0.1805997111516710
2006-10-01	0.3693689183034530
2007-01-01	0.7810808924219510
2007-04-01	0.5936381120565000
2007-07-01	1.2834783050084100
2007-10-01	1.1156058346055100
2008-01-01	0.1964276915743980
2008-04-01	0.8737162238520350
2008-07-01	0.9061316690222160
2008-10-01	0.3296631075028370
2009-01-01	0.2629014405753680
2009-04-01	-0.4810128382051930
2009-07-01	-0.8088927774410620
2009-10-01	0.3244884697943490
2010-01-01	1.8314818767038600
2010-04-01	1.6605774923378900
2010-07-01	-0.4335013748314830
2010-10-01	-1.4000031102414700
2011-01-01	0.0754990841326194
2011-04-01	1.0266318315780600
2011-07-01	0.2137508444836280