Quarter	Percent Change
1970-04-01	0.6773192179068030
1970-07-01	1.3455247466064300
1970-10-01	1.9914910202910300
1971-01-01	2.6034737277226300
1971-04-01	3.0682629923052100
1971-07-01	3.4919706494192700
1971-10-01	3.8718154780866300
1972-01-01	4.2066119224818300
1972-04-01	3.9591822382605100
1972-07-01	3.7337391908329100
1972-10-01	3.5273748406262600
1973-01-01	3.3376685652731600
1973-04-01	3.9278368931020400
1973-07-01	4.4509799522165800
1973-10-01	4.9042828466931300
1974-01-01	5.2879209428081200
1974-04-01	4.8724949264623400
1974-07-01	4.5032271676441700
1974-10-01	4.1724461026306700
1975-01-01	3.8740733636821600
1975-04-01	4.7735515298726600
1975-07-01	5.5524667497612800
1975-10-01	6.2043723855280400
1976-01-01	6.7307578976932500
1976-04-01	5.1680859142829400
1976-07-01	3.8318426274677200
1976-10-01	2.6480944008466800
1977-01-01	1.5643326806945100
1977-04-01	3.2082947917568400
1977-07-01	4.7247669023710200
1977-10-01	6.0548913106264600
1978-01-01	7.1643829575357800
1978-04-01	6.0073489251133400
1978-07-01	5.0272775253907600
1978-10-01	4.1776172170707000
1979-01-01	3.4254906430456300
1979-04-01	4.8974684943673800
1979-07-01	6.1802252384122700
1979-10-01	7.2439436789966200
1980-01-01	8.0819318430193400
1980-04-01	6.6346175354403000
1980-07-01	5.4312920382890300
1980-10-01	4.4016919783239400
1981-01-01	3.4979173905484400
1981-04-01	2.8951727418389900
1981-07-01	2.3428185061480600
1981-10-01	1.8290742019092600
1982-01-01	1.3443718093552100
1982-04-01	1.3452973101751300
1982-07-01	1.3459493956302400
1982-10-01	1.3463384778133400
1983-01-01	1.3464746346935700
1983-04-01	0.7197378293933840
1983-07-01	0.1100977517198430
1983-10-01	-0.4938554689652120
1984-01-01	-1.1031354528963200
1984-04-01	-0.7538367412531330
1984-07-01	-0.3952124693359020
1984-10-01	-0.0309847656681791
1985-01-01	0.3349148114263240
1985-04-01	0.4760397156136120
1985-07-01	0.6153532038821760
1985-10-01	0.7522928355858670
1986-01-01	0.8863281215551050
1986-04-01	0.8130239129675710
1986-07-01	0.7414780695198940
1986-10-01	0.6715098737675780
1987-01-01	0.6029502877003340
1987-04-01	1.1579291554989800
1987-07-01	1.6968731361916200
1987-10-01	2.2115445331313500
1988-01-01	2.6949297024583800
1988-04-01	2.3579948686072500
1988-07-01	2.0435928337099600
1988-10-01	1.7477935168272700
1989-01-01	1.4672756008876200
1989-04-01	2.9774259131622700
1989-07-01	1.7604330884057900
1989-10-01	1.4798980223051600
1990-01-01	2.6736345081820400
1990-04-01	2.8022507769715500
1990-07-01	2.4340074572127700
1990-10-01	2.3339376771000600
1991-01-01	2.2568129961538500
1991-04-01	2.5756560800603300
1991-07-01	2.3769464798198500
1991-10-01	1.7616910805025400
1992-01-01	1.3612412243636000
1992-04-01	1.5729963148458500
1992-07-01	2.4321219701109200
1992-10-01	2.5863898157107700
1993-01-01	1.5946240568649900
1993-04-01	0.5686790098262970
1993-07-01	0.8378972936466260
1993-10-01	1.4988760383140500
1994-01-01	1.7510355171728500
1994-04-01	2.1740177383252100
1994-07-01	2.2534394880641000
1994-10-01	1.8330442100223600
1995-01-01	1.8594450143191200
1995-04-01	2.3315207719229100
1995-07-01	2.5375551646645400
1995-10-01	2.4799918791237800
1996-01-01	1.9017898309594900
1996-04-01	1.4150774730414800
1996-07-01	1.2291384937917500
1996-10-01	0.8778659529771950
1997-01-01	0.0286685790698444
1997-04-01	-0.7459655875039810
1997-07-01	-0.4620760767015780
1997-10-01	-0.3812716020790330
1998-01-01	0.0510886691086314
1998-04-01	0.1201629132082280
1998-07-01	-1.0043116367209200
1998-10-01	-0.8439277395491730
1999-01-01	-0.6386396392693340
1999-04-01	-1.1511550360482500
1999-07-01	-0.7188737787525530
1999-10-01	-0.4376958116314480
2000-01-01	-0.1824234450667420
2000-04-01	0.8858434654558680
2000-07-01	1.5883026268050600
2000-10-01	1.7831219897010600
2001-01-01	1.6103288688526500
2001-04-01	1.2573940200739300
2001-07-01	0.8251999738437700
2001-10-01	0.0972652390726897
2002-01-01	-0.1188631937534110
2002-04-01	0.3410982380801710
2002-07-01	0.7629883291963820
2002-10-01	1.7056836469728600
2003-01-01	2.2096860272514600
2003-04-01	1.1068654313251300
2003-07-01	-0.0746927257916932
2003-10-01	-0.3148094264695880
2004-01-01	0.0529889446619666
2004-04-01	0.5819390523529520
2004-07-01	1.2327114344298100
2004-10-01	1.1674444262705900
2005-01-01	0.5428328168655940
2005-04-01	0.2548663590917720
2005-07-01	0.1047939698616980
2005-10-01	-0.0693095822719014
2006-01-01	0.0188735215219599
2006-04-01	0.0265658128356741
2006-07-01	0.0377044980217617
2006-10-01	0.2062589023399450
2007-01-01	-0.1659141679338990
2007-04-01	0.2639098351491380
2007-07-01	0.9859472437460630
2007-10-01	0.1559522248019400
2008-01-01	-0.0530216889988187
2008-04-01	0.9538477142542130
2008-07-01	1.4037174738825400
2008-10-01	1.6235062979354500
2009-01-01	0.7383368966613580
2009-04-01	-1.5054452167353100
2009-07-01	-2.0764421020331300
2009-10-01	-0.4989805332116210
2010-01-01	0.4303045894158130
2010-04-01	0.3048435553592820
2010-07-01	-0.1378280450362410
2010-10-01	-1.0132607401861000
2011-01-01	-0.8181854898571150
2011-04-01	0.2155888144687440
2011-07-01	0.4134747414042700