Quarter	Percent Change
1970-04-01	0.7558192443364310
1970-07-01	1.5002989405575600
1970-10-01	2.2171840616399800
1971-01-01	2.8921217018337200
1971-04-01	2.4063464325042200
1971-07-01	1.9548238894734900
1971-10-01	1.5299380926273100
1972-01-01	1.1253163707060200
1972-04-01	0.7127419617527160
1972-07-01	0.3104770698080460
1972-10-01	-0.0864752074873130
1973-01-01	-0.4828841521945170
1973-04-01	1.2096322140956200
1973-07-01	2.8697779077729200
1973-10-01	4.4176053604850600
1974-01-01	5.7897244145919700
1974-04-01	5.6267723783585600
1974-07-01	5.4727450846732100
1974-10-01	5.3269285033411100
1975-01-01	5.1886830541693900
1975-04-01	4.0442863055700200
1975-07-01	3.0331639804103900
1975-10-01	2.1150921051979900
1976-01-01	1.2596695327572900
1976-04-01	1.5812330044601500
1976-07-01	1.8886035116941600
1976-10-01	2.1794271024278800
1977-01-01	2.4518220632682600
1977-04-01	1.6446185650654800
1977-07-01	0.8815919330312470
1977-10-01	0.1439066992701630
1978-01-01	-0.5852322216932070
1978-04-01	-0.2645977465084530
1978-07-01	0.0596396634229550
1978-10-01	0.3843498454315330
1979-01-01	0.7063805626746460
1979-04-01	0.8355310927722220
1979-07-01	0.9616018954615630
1979-10-01	1.0841705499885100
1980-01-01	1.2028569151552100
1980-04-01	1.6651029407995900
1980-07-01	2.1065691013784300
1980-10-01	2.5221754709871500
1981-01-01	2.9079003123940400
1981-04-01	2.3868774456179400
1981-07-01	1.9026110561852200
1981-10-01	1.4464676883630800
1982-01-01	1.0112207549360300
1982-04-01	1.1310556660957200
1982-07-01	1.2469106451075000
1982-10-01	1.3584764141130700
1983-01-01	1.4654902408503900
1983-04-01	1.2514408875690500
1983-07-01	1.0454744487887900
1983-10-01	0.8461294497552390
1984-01-01	0.6520840241856160
1984-04-01	0.7799861126683170
1984-07-01	0.9050534974420250
1984-10-01	1.0268639269529200
1985-01-01	1.1450341332913000
1985-04-01	0.5202177167587970
1985-07-01	-0.0911618542494504
1985-10-01	-0.7004877579195800
1986-01-01	-1.3189696879535200
1986-04-01	-0.7090317481354130
1986-07-01	-0.0820462059908181
1986-10-01	0.5504541224846970
1987-01-01	1.1765454789430600
1987-04-01	0.5335712886486430
1987-07-01	-0.0952132631995319
1987-10-01	-0.7218532276758910
1988-01-01	-1.3582067234307700
1988-04-01	-0.7801706134377070
1988-07-01	-0.1848756210727630
1988-10-01	0.4173254552675390
1989-01-01	1.0156304554914700
1989-04-01	0.9939257259196860
1989-07-01	0.9727638038587170
1989-10-01	0.9521216480774890
1990-01-01	0.9319774503386430
1990-04-01	0.7009419289172820
1990-07-01	0.4751812799334920
1990-10-01	0.2530969723121260
1991-01-01	0.0331759772778857
1991-04-01	0.5034588473369390
1991-07-01	0.9688748341283620
1991-10-01	1.4230254822824200
1992-01-01	1.8600049206509500
1992-04-01	1.4583264035581300
1992-07-01	1.0749362629771100
1992-10-01	0.7049300332227370
1993-01-01	0.3439313340447730
1993-04-01	0.3872804606894930
1993-07-01	0.4301425876974610
1993-10-01	0.4724664852181570
1994-01-01	0.5142032716511430
1994-04-01	0.4224335640937900
1994-07-01	0.3318923680128500
1994-10-01	0.2423238872297280
1995-01-01	0.1534813907006050
1995-04-01	1.3420665416778300
1995-07-01	1.0519946075778100
1995-10-01	0.8352586893080100
1996-01-01	0.6820139372997140
1996-04-01	0.3317440398251950
1996-07-01	0.2805703300342210
1996-10-01	0.2760343775822320
1997-01-01	0.1311185563196410
1997-04-01	0.1151396358658000
1997-07-01	0.0853107089839621
1997-10-01	-0.0617865559487522
1998-01-01	-0.2756563089963680
1998-04-01	-0.4562465151880300
1998-07-01	-0.4513922584111120
1998-10-01	-0.3656605456512870
1999-01-01	-0.3176336608553420
1999-04-01	-0.0755354115659508
1999-07-01	0.4236379547989480
1999-10-01	0.9698474759786000
2000-01-01	1.4373687760033500
2000-04-01	1.8344742179817900
2000-07-01	1.9695855425883000
2000-10-01	1.7407681801883400
2001-01-01	1.5262447719084300
2001-04-01	1.1814684259734700
2001-07-01	0.5818201676313220
2001-10-01	0.3877756026906490
2002-01-01	0.4712545778732210
2002-04-01	0.5867570043388090
2002-07-01	0.8275022214913490
2002-10-01	0.7146672750827970
2003-01-01	0.3228245722596730
2003-04-01	0.0939603423961536
2003-07-01	0.0225112589408564
2003-10-01	0.1497559909219920
2004-01-01	0.4173477614642600
2004-04-01	0.4245632189420430
2004-07-01	0.3680790401974040
2004-10-01	0.4740526053339910
2005-01-01	0.5262503554107020
2005-04-01	0.6670838637772170
2005-07-01	0.7841974147864390
2005-10-01	0.5261321878457850
2006-01-01	0.1791213293894440
2006-04-01	0.0541204173180397
2006-07-01	-0.0817047261751283
2006-10-01	-0.0262839075861994
2007-01-01	0.2572125661991330
2007-04-01	0.3583697593486360
2007-07-01	0.5308940114039470
2007-10-01	1.0117488018650300
2008-01-01	1.5994831884821000
2008-04-01	2.1759354822136100
2008-07-01	2.7240379938301400
2008-10-01	2.7780975505809000
2009-01-01	2.2817873429855300
2009-04-01	1.5935853470413100
2009-07-01	0.7927825032662580
2009-10-01	0.2772488648924580
2010-01-01	0.1383086224222590
2010-04-01	0.3011914501417060
2010-07-01	0.6406828081130100
2010-10-01	0.7894406552343570
2011-01-01	0.8109808806312850
2011-04-01	0.7474067846632180
2011-07-01	0.5974144903973020