Quarter	Percent Change
1969-04-01	0.5257108263723230
1969-07-01	1.0459231216585400
1969-10-01	1.5526451725095500
1970-01-01	2.0385422813689800
1970-04-01	2.1810393183690700
1970-07-01	2.3137978706212600
1970-10-01	2.4367293948290800
1971-01-01	2.5498537731419000
1971-04-01	2.4715330519833600
1971-07-01	2.3973617167985100
1971-10-01	2.3270148289856700
1972-01-01	2.2602005829956100
1972-04-01	2.2427120857678100
1972-07-01	2.2252730820022400
1972-10-01	2.2078966374230600
1973-01-01	2.1905945985155000
1973-04-01	2.3031824251581800
1973-07-01	2.4072844780112000
1973-10-01	2.5029847829206300
1974-01-01	2.5904348740261700
1974-04-01	2.9258988403483600
1974-07-01	3.2322010214761900
1974-10-01	3.5082836404557300
1975-01-01	3.7538701095321000
1975-04-01	2.9429486725352500
1975-07-01	2.2030107729511300
1975-10-01	1.5138559284005700
1976-01-01	0.8591807773952130
1976-04-01	1.1481960498237500
1976-07-01	1.4281325926011200
1976-10-01	1.6968694947841600
1977-01-01	1.9525820609415300
1977-04-01	1.7857221507590300
1977-07-01	1.6272005474767200
1977-10-01	1.4759902005393200
1978-01-01	1.3311855696854100
1978-04-01	1.3673519381922300
1978-07-01	1.4018380197257800
1978-10-01	1.4346568506113200
1979-01-01	1.4658259179532300
1979-04-01	1.2894781975733100
1979-07-01	1.1198660846259100
1979-10-01	0.9559643281749260
1980-01-01	0.7968471110056870
1980-04-01	0.7027147162338960
1980-07-01	0.6105910943015950
1980-10-01	0.5201948005442830
1981-01-01	0.4312607147081760
1981-04-01	0.7587661135203120
1981-07-01	1.0799292468033500
1981-10-01	1.3917760880372000
1982-01-01	1.6916172611880900
1982-04-01	1.1768847235069200
1982-07-01	0.6822624176589480
1982-10-01	0.1999652772716440
1983-01-01	-0.2771543596638670
1983-04-01	-0.4650900698609700
1983-07-01	-0.6553032640062850
1983-10-01	-0.8489061729662730
1984-01-01	-1.0470752045351900
1984-04-01	-0.6641225230752460
1984-07-01	-0.2718958860395470
1984-10-01	0.1251110117988040
1985-01-01	0.5222058618631850
1985-04-01	0.5372114973728390
1985-07-01	0.5519647521348730
1985-10-01	0.5664618780483070
1986-01-01	0.5806994894762120
1986-04-01	0.5153010732518410
1986-07-01	0.4509316515359880
1986-10-01	0.3874567896947860
1987-01-01	0.3247479629386850
1987-04-01	-0.2685114514569920
1987-07-01	-0.1794052788067810
1987-10-01	-0.0790130288028112
1988-01-01	-0.0684209995709374
1988-04-01	-0.1929008526173320
1988-07-01	-0.3925149266502470
1988-10-01	-0.4935448383784050
1989-01-01	-0.4172747515236530
1989-04-01	-0.1465699617364380
1989-07-01	0.1637671658447740
1989-10-01	0.3404527162268390
1990-01-01	0.5057228786958240
1990-04-01	0.6839237005370250
1990-07-01	0.7644366324951100
1990-10-01	0.8321901986631610
1991-01-01	0.8345068388736790
1991-04-01	0.7536565370568840
1991-07-01	0.8237411705744020
1991-10-01	1.0160449093556800
1992-01-01	1.2102535942400800
1992-04-01	1.3218705779722300
1992-07-01	1.1696311650161800
1992-10-01	0.7981842454996370
1993-01-01	0.4468003790803080
1993-04-01	0.2194282124000400
1993-07-01	0.1280173682950900
1993-10-01	0.0938842615273778
1994-01-01	-0.0246693125555589
1994-04-01	-0.1495307795016700
1994-07-01	-0.1748812213529980
1994-10-01	-0.0989022978930139
1995-01-01	0.1248000823509570
1995-04-01	0.3755969476821140
1995-07-01	0.4402047330621730
1995-10-01	0.3719531004712620
1996-01-01	0.2989030464930830
1996-04-01	0.2457880750575970
1996-07-01	0.2463233435085580
1996-10-01	0.2735148300646220
1997-01-01	0.2317674023681160
1997-04-01	0.1846032351140670
1997-07-01	0.2945283803692460
1997-10-01	0.5203748808202320
1998-01-01	0.7141892138543900
1998-04-01	0.8014998278553930
1998-07-01	0.7709109682417170
1998-10-01	0.6231932158928160
1999-01-01	0.4708127530979150
1999-04-01	0.4353687181763780
1999-07-01	0.4692989927904540
1999-10-01	0.5864568130132750
2000-01-01	0.7664780369563370
2000-04-01	0.8908880493433370
2000-07-01	0.9727047205395260
2000-10-01	1.0734347328433600
2001-01-01	1.1784394228513100
2001-04-01	1.2604519080692600
2001-07-01	1.2773770299068900
2001-10-01	1.2236269571934300
2002-01-01	1.0803865311147500
2002-04-01	0.8366476503740180
2002-07-01	0.6910712557307970
2002-10-01	0.6416489100527280
2003-01-01	0.5970324571389250
2003-04-01	0.5791992480624330
2003-07-01	0.4405554887726330
2003-10-01	0.2038543163863480
2004-01-01	0.0364988987561075
2004-04-01	-0.0521681921110527
2004-07-01	-0.0807445963418377
2004-10-01	-0.0712316593255834
2005-01-01	-0.0985094144989726
2005-04-01	-0.1371964362201020
2005-07-01	-0.1508610352814390
2005-10-01	-0.0883817754394970
2006-01-01	0.1604763744051130
2006-04-01	0.4357625164066000
2006-07-01	0.5653222610697540
2006-10-01	0.5613910479568160
2007-01-01	0.4199781116509660
2007-04-01	0.2699878117164550
2007-07-01	0.2495597954794920
2007-10-01	0.3723967796576700
2008-01-01	0.5479877294068660
2008-04-01	0.7040544450093300
2008-07-01	0.8751488280303760
2008-10-01	0.8945588496535490
2009-01-01	0.7312097913468310
2009-04-01	0.5437105036185330
2009-07-01	0.3218182987407620
2009-10-01	0.1759709181603620
2010-01-01	0.1352230024481730
2010-04-01	0.0966710992441058
2010-07-01	0.0781776428066242
2010-10-01	0.0678030963619913
2011-01-01	0.0569246142449985