Quarter	Percent Change
1970-04-01	0.4748709411751040
1970-07-01	0.9452531995124020
1970-10-01	1.4046027714764100
1971-01-01	1.8468625795074600
1971-04-01	1.6471102286696700
1971-07-01	1.4568523565255000
1971-10-01	1.2747138906214600
1972-01-01	1.0994796279586200
1972-04-01	0.8717365325599180
1972-07-01	0.6502817373201940
1972-10-01	0.4335412752584110
1973-01-01	0.2200482006958750
1973-04-01	1.0209152327765900
1973-07-01	1.8038495943461900
1973-10-01	2.5510836355796700
1974-01-01	3.2474350340003300
1974-04-01	3.7847195647338500
1974-07-01	4.2628100967127800
1974-10-01	4.6794422617778000
1975-01-01	5.0347617499749100
1975-04-01	4.5825977753326000
1975-07-01	4.1802091867825900
1975-10-01	3.8189793667386600
1976-01-01	3.4921163959993700
1976-04-01	3.0901459249198000
1976-07-01	2.7218986857473000
1976-10-01	2.3814582533332200
1977-01-01	2.0639889897918800
1977-04-01	2.3373154898237400
1977-07-01	2.5918024075081600
1977-10-01	2.8264169486435800
1978-01-01	3.0405696181860800
1978-04-01	2.1969348112544000
1978-07-01	1.4120017811522300
1978-10-01	0.6649079499027010
1979-01-01	-0.0621130401935692
1979-04-01	0.6348912751997690
1979-07-01	1.3235312106877900
1979-10-01	1.9898404484770100
1980-01-01	2.6212789252604500
1980-04-01	2.6178204812430100
1980-07-01	2.6129165041703300
1980-10-01	2.6066836769416700
1981-01-01	2.5992319225611400
1981-04-01	1.9541705794022900
1981-07-01	1.3486037481176500
1981-10-01	0.7701070984857920
1982-01-01	0.2079542692773650
1982-04-01	0.5435589100528930
1982-07-01	0.8748398333153150
1982-10-01	1.1985737278102600
1983-01-01	1.5117749574478200
1983-04-01	1.4734311120367000
1983-07-01	1.4364365803346000
1983-10-01	1.4007164527202200
1984-01-01	1.3662009991184400
1984-04-01	1.5916861264257500
1984-07-01	1.8068257290612500
1984-10-01	2.0105754702814900
1985-01-01	2.2021167765820300
1985-04-01	1.9621014918862100
1985-07-01	1.7354825778306200
1985-10-01	1.5202377974205500
1986-01-01	1.3146129635501200
1986-04-01	1.3122813423803000
1986-07-01	1.3098190526803300
1986-10-01	1.3072321519124000
1987-01-01	1.3045264821623400
1987-04-01	1.3400201377794800
1987-07-01	1.3739019659117300
1987-10-01	1.4061833140339900
1988-01-01	1.4368797412373200
1988-04-01	1.7712062560102200
1988-07-01	2.0888880299587700
1988-10-01	2.3875228661174000
1989-01-01	2.6652655704485100
1989-04-01	2.5010804911793200
1989-07-01	2.3473778624964100
1989-10-01	2.2029904093484600
1990-01-01	2.0669072228659700
1990-04-01	1.9922186105641400
1990-07-01	1.9211131772181600
1990-10-01	1.8533174815275500
1991-01-01	1.7885847550064900
1991-04-01	1.2189021388594100
1991-07-01	0.6724512139243820
1991-10-01	0.1397389328344940
1992-01-01	-0.3879395339211960
1992-04-01	-0.6641371168783010
1992-07-01	-0.9451006319901500
1992-10-01	-1.2332795997954300
1993-01-01	-1.5313267427166400
1993-04-01	0.2744857636750840
1993-07-01	0.4282999329543180
1993-10-01	0.3637684697386380
1994-01-01	-0.1363780483989770
1994-04-01	-0.5835888157360540
1994-07-01	-0.7276441326572480
1994-10-01	-0.8745730385180000
1995-01-01	-0.5605289086786710
1995-04-01	0.3968755201135960
1995-07-01	1.0337323039102400
1995-10-01	1.1780094452611600
1996-01-01	1.2445306013434700
1996-04-01	1.0067240774847000
1996-07-01	0.4311367486581840
1996-10-01	0.2277470163845070
1997-01-01	0.0425535297896634
1997-04-01	-0.3630091011765720
1997-07-01	-0.4196057716220440
1997-10-01	-0.2215235735469680
1998-01-01	0.1118401355145110
1998-04-01	0.2434554317248720
1998-07-01	0.2508381160262060
1998-10-01	-0.2203855361606460
1999-01-01	-0.8714421003256440
1999-04-01	-0.4278973102748380
1999-07-01	0.3013547754809100
1999-10-01	0.8516170336523310
2000-01-01	1.2208785672936300
2000-04-01	0.9481846302304670
2000-07-01	0.9366724068473860
2000-10-01	1.4883313584965600
2001-01-01	1.9003869098071000
2001-04-01	1.5180138904562500
2001-07-01	0.3610098564471310
2001-10-01	-0.3863101996952850
2002-01-01	-0.4856475700804240
2002-04-01	-0.5255484295410960
2002-07-01	-0.3711158546765550
2002-10-01	-0.3089603182144660
2003-01-01	-0.3492818771660600
2003-04-01	-0.2548570365417730
2003-07-01	-0.3919787359897940
2003-10-01	-0.6790009889388520
2004-01-01	-0.8090970674121190
2004-04-01	-0.5983036745888710
2004-07-01	-0.3049700141747390
2004-10-01	-0.0496517200598675
2005-01-01	0.0733798032014990
2005-04-01	-0.1887584273550610
2005-07-01	-0.3339634944643420
2005-10-01	-0.4200306148015780
2006-01-01	-0.5346950674106300
2006-04-01	-0.2142355220968040
2006-07-01	0.2972025447989720
2006-10-01	0.8690418990288040
2007-01-01	1.3547365372048800
2007-04-01	1.3704331419496200
2007-07-01	0.9603873610890340
2007-10-01	0.6210733967726660
2008-01-01	0.6921517099546060
2008-04-01	0.9565740105908440
2008-07-01	1.5449099179587500
2008-10-01	1.7214166360581200
2009-01-01	0.9012545293277990
2009-04-01	0.3317592005834050
2009-07-01	-0.0253753503399163
2009-10-01	-0.4397008114483590
2010-01-01	-0.5389509317703390
2010-04-01	-0.8090526332325090
2010-07-01	-1.0848468476996800
2010-10-01	-0.9736868373923440
2011-01-01	-0.7064151829588310