Quarter	Percent Change
1970-04-01	1.0466088815727700
1970-07-01	2.0715365165560600
1970-10-01	3.0442420110828500
1971-01-01	3.9390746173735300
1971-04-01	2.6849230627547000
1971-07-01	1.5387412025269800
1971-10-01	0.4557488079251680
1972-01-01	-0.6011846327637130
1972-04-01	1.6634660480556200
1972-07-01	3.8674196060292400
1972-10-01	5.8715154480859600
1973-01-01	7.5748531642276200
1973-04-01	7.3919897556163800
1973-07-01	7.2095766085616500
1973-10-01	7.0291927822584600
1974-01-01	6.8519948455758900
1974-04-01	6.4446653326055800
1974-07-01	6.0845950970231300
1974-10-01	5.7639996404615700
1975-01-01	5.4767146374929700
1975-04-01	5.1597192157750100
1975-07-01	4.8755298880560300
1975-10-01	4.6192904238571100
1976-01-01	4.3870569507636300
1976-04-01	3.9228649464633700
1976-07-01	3.5055297058794000
1976-10-01	3.1266680404087700
1977-01-01	2.7796221266308700
1977-04-01	3.2580010732930100
1977-07-01	3.6912910566993300
1977-10-01	4.0768878396327800
1978-01-01	4.4139391115684500
1978-04-01	4.0014945593984400
1978-07-01	3.6303735111355200
1978-10-01	3.2936397761945100
1979-01-01	2.9857455646713900
1979-04-01	4.8597325096649100
1979-07-01	6.5041951214477600
1979-10-01	7.8624907584052900
1980-01-01	8.9169056500752300
1980-04-01	7.1730435678180800
1980-07-01	5.7469660978568200
1980-10-01	4.5400614728265700
1981-01-01	3.4871643178573800
1981-04-01	3.0628113981903100
1981-07-01	3.0362456436517500
1981-10-01	2.7798046228281800
1982-01-01	3.8329529091830800
1982-04-01	5.1005393214834600
1982-07-01	5.2981064452030600
1982-10-01	6.3912331555930500
1983-01-01	6.7439737784989600
1983-04-01	6.0252137333696800
1983-07-01	5.4821352155824700
1983-10-01	4.0175071587556000
1984-01-01	2.7037939197969300
1984-04-01	2.3536889482275200
1984-07-01	1.5827984659842000
1984-10-01	1.2931937878253700
1985-01-01	1.6275754742753000
1985-04-01	1.2931485287618600
1985-07-01	1.4790433662245400
1985-10-01	2.2915496784021300
1986-01-01	2.2877736955552800
1986-04-01	2.1249537008894600
1986-07-01	2.0752922874893600
1986-10-01	1.7642244132172100
1987-01-01	2.0987995075825600
1987-04-01	2.8154491846847100
1987-07-01	3.0346941092132100
1987-10-01	2.8388188031500100
1988-01-01	2.4570960277999600
1988-04-01	2.2082565629971400
1988-07-01	2.0324796951054600
1988-10-01	2.1027736786825600
1989-01-01	2.2764976741546300
1989-04-01	2.1171352455847400
1989-07-01	2.4662754248568600
1989-10-01	2.6175177667515500
1990-01-01	1.8362757856689500
1990-04-01	1.6613873157223700
1990-07-01	1.4542572108996100
1990-10-01	1.1505686660091500
1991-01-01	1.9484517539554800
1991-04-01	2.2745683267794400
1991-07-01	2.3895532074286100
1991-10-01	3.1248475407398500
1992-01-01	2.9377171222772000
1992-04-01	2.3262070822665800
1992-07-01	1.8540173256102500
1992-10-01	0.5985327737627300
1993-01-01	-0.3865636223041370
1993-04-01	-0.1202601642270960
1993-07-01	0.5138516333602830
1993-10-01	1.1272043090565000
1994-01-01	1.8507806317752000
1994-04-01	2.0384708197768900
1994-07-01	1.2149946487261500
1994-10-01	0.7275805630065290
1995-01-01	0.8180081011964750
1995-04-01	0.6714391904749200
1995-07-01	1.0895915772423800
1995-10-01	1.6028469776877000
1996-01-01	1.5591231774111300
1996-04-01	1.4241720936430000
1996-07-01	1.1378289478732500
1996-10-01	1.0107825239012000
1997-01-01	0.7676237327361340
1997-04-01	0.3397318965964160
1997-07-01	0.3241625010333810
1997-10-01	0.1202353910778880
1998-01-01	0.1004106083646330
1998-04-01	0.6742204361415000
1998-07-01	0.8655904999638760
1998-10-01	0.8612501523980080
1999-01-01	0.8953606139285400
1999-04-01	0.8956546559886840
1999-07-01	0.9913581428233080
1999-10-01	0.9118165536793080
2000-01-01	0.7793873848429320
2000-04-01	0.6496772358159600
2000-07-01	0.1952903306420350
2000-10-01	0.0314689592058722
2001-01-01	0.5287987383267220
2001-04-01	0.8773092990988760
2001-07-01	1.0442648760681900
2001-10-01	1.3676177312230700
2002-01-01	1.2444568178487200
2002-04-01	0.5022702544868230
2002-07-01	0.0945203776212895
2002-10-01	0.2357387814812170
2003-01-01	0.3817071810893720
2003-04-01	0.6527037435025200
2003-07-01	1.0190512003013700
2003-10-01	0.9604477567456230
2004-01-01	0.6796582825917150
2004-04-01	0.8952056997103720
2004-07-01	1.3834599840961500
2004-10-01	1.4203058506812800
2005-01-01	1.4450662789773300
2005-04-01	1.6030272068626600
2005-07-01	1.4571363597051800
2005-10-01	1.1864635344652900
2006-01-01	0.7514332329367200
2006-04-01	0.4635332872936310
2006-07-01	0.4653875784471950
2006-10-01	0.4523546236288280
2007-01-01	0.6704946503579830
2007-04-01	0.8294485063297450
2007-07-01	0.6340972672994970
2007-10-01	0.6952345795913470
2008-01-01	0.8672066037601620
2008-04-01	0.6648175338898400
2008-07-01	0.2160132398428910
2008-10-01	-0.1679489962515590
2009-01-01	-0.0465595443066453
2009-04-01	0.1869365664032170
2009-07-01	0.4449073783461210
2009-10-01	0.8109883991033310
2010-01-01	0.6274617353093540
2010-04-01	0.4253184285610230
2010-07-01	0.5987638676199830
2010-10-01	0.6596415511802110
2011-01-01	0.6339249818824600