Quarter	Percent Change
1970-04-01	1.1038150058070700
1970-07-01	1.0609530386829700
1970-10-01	1.0516793330609700
1971-01-01	1.1864207981136600
1971-04-01	1.4166235345157800
1971-07-01	1.2802030294436000
1971-10-01	1.1930547144312500
1972-01-01	1.0689522643414300
1972-04-01	0.6562125150127590
1972-07-01	0.7506999147913260
1972-10-01	1.1207437380592000
1973-01-01	1.3160087225911700
1973-04-01	1.7542821155534800
1973-07-01	2.1088853170661400
1973-10-01	2.2611959351973700
1974-01-01	2.6194302872293000
1974-04-01	2.9512698681879600
1974-07-01	2.8786522980770700
1974-10-01	2.4196798485821800
1975-01-01	1.9743237717018400
1975-04-01	1.6268500425274600
1975-07-01	1.4724764192162600
1975-10-01	1.4837797200868900
1976-01-01	1.5111152409489000
1976-04-01	1.6828000204608300
1976-07-01	1.6753498485849400
1976-10-01	1.4309755077350400
1977-01-01	1.4571592327834400
1977-04-01	1.6224390600776000
1977-07-01	1.8412026677006300
1977-10-01	2.2778189178637400
1978-01-01	2.0941244803618300
1978-04-01	1.6473076639211200
1978-07-01	1.8511233892033400
1978-10-01	2.2225635547935600
1979-01-01	2.4966702540861200
1979-04-01	2.5747188218718500
1979-07-01	2.5454915388335200
1979-10-01	2.5594915323196100
1980-01-01	2.7552983386267300
1980-04-01	2.9807805108334700
1980-07-01	2.6665496686049200
1980-10-01	1.9953729829613400
1981-01-01	1.7770223478861600
1981-04-01	1.8448595636931200
1981-07-01	1.6895650992841400
1981-10-01	1.8071573019464000
1982-01-01	1.6852962843793800
1982-04-01	1.2728613078696600
1982-07-01	1.2882687612739100
1982-10-01	1.1891156592556800
1983-01-01	0.9288507533662130
1983-04-01	0.7599721026293540
1983-07-01	0.5894012173817420
1983-10-01	0.5520503585483470
1984-01-01	0.6374039434288660
1984-04-01	0.7638148671834110
1984-07-01	0.8508910754202150
1984-10-01	0.8167080468803650
1985-01-01	0.8565343367276450
1985-04-01	0.8506878323624090
1985-07-01	0.7929675036973260
1985-10-01	0.8402318656492980
1986-01-01	0.8024029457434360
1986-04-01	0.7787278528836510
1986-07-01	0.8728668282771070
1986-10-01	0.9809382036691510
1987-01-01	0.8806817982256040
1987-04-01	0.6608448749167450
1987-07-01	0.5248865767070550
1987-10-01	0.4638158706832310
1988-01-01	0.6161076811511310
1988-04-01	0.8994435809776410
1988-07-01	0.9855556034363140
1988-10-01	0.8952058661001020
1989-01-01	0.8621191355141660
1989-04-01	0.8156540146920790
1989-07-01	0.9028835009376760
1989-10-01	1.1054275179579500
1990-01-01	1.2130613822191400
1990-04-01	1.3628817009498500
1990-07-01	1.3929158482779800
1990-10-01	1.2268075722778100
1991-01-01	0.9925316070094360
1991-04-01	0.8247403521702950
1991-07-01	0.8449091220915180
1991-10-01	0.8647648724672550
1992-01-01	0.7794678876978660
1992-04-01	0.6685632346610690
1992-07-01	0.5724099885136810
1992-10-01	0.5989114279963810
1993-01-01	0.7479622455521310
1993-04-01	0.8251314248108310
1993-07-01	0.6285032537812040
1993-10-01	0.3370255200151040
1994-01-01	0.2073678457948080
1994-04-01	0.1384807069559500
1994-07-01	0.1560028416786670
1994-10-01	0.3027816566978960
1995-01-01	0.4623246166875530
1995-04-01	0.4411066802685390
1995-07-01	0.2912195884274680
1995-10-01	0.1661711068253950
1996-01-01	0.0467639755598313
1996-04-01	0.1296855550179980
1996-07-01	0.2752246724646250
1996-10-01	0.2476242069738330
1997-01-01	0.1762591249840980
1997-04-01	0.1597418459065160
1997-07-01	0.4298499200984320
1997-10-01	0.7200264863138480
1998-01-01	0.6763697166756310
1998-04-01	0.5717914250098400
1998-07-01	0.3513305244647370
1998-10-01	0.1692689831255590
1999-01-01	0.2493392554662410
1999-04-01	0.2949765917747240
1999-07-01	0.3922778800334410
1999-10-01	0.5911371719459570
2000-01-01	0.6808192525599380
2000-04-01	0.6606683901021820
2000-07-01	0.6174431816252420
2000-10-01	0.6031332200521460
2001-01-01	0.6063817743091400
2001-04-01	0.5848705329097530
2001-07-01	0.4254028257428950
2001-10-01	0.2302114078922030
2002-01-01	0.2569737275699100
2002-04-01	0.3952207788374490
2002-07-01	0.5468550343261480
2002-10-01	0.7792049712427470
2003-01-01	0.8283031738239070
2003-04-01	0.5082400789268710
2003-07-01	0.2242650176844290
2003-10-01	0.1901933821606750
2004-01-01	0.2855523742807950
2004-04-01	0.6133894208069530
2004-07-01	0.7984764106912620
2004-10-01	0.5512041445006800
2005-01-01	0.4380869454861200
2005-04-01	0.6830708786962670
2005-07-01	0.7915515299581270
2005-10-01	0.6712841277959230
2006-01-01	0.6664421951130780
2006-04-01	0.7786562577656040
2006-07-01	0.9510806188095750
2006-10-01	1.0205621094579300
2007-01-01	0.7220435817617400
2007-04-01	0.3552458339394890
2007-07-01	0.3922825247193790
2007-10-01	0.5796758738782240
2008-01-01	0.5172224261019220
2008-04-01	0.3161335510640180
2008-07-01	0.1604296603500810
2008-10-01	0.1065719136436080
2009-01-01	0.0737369648660911
2009-04-01	-0.0349066473866344
2009-07-01	-0.1869511783913310
2009-10-01	-0.1729481047812430
2010-01-01	0.0364892678235694
2010-04-01	0.2153527412004100
2010-07-01	0.2464907994214740
2010-10-01	0.2221893255677150
2011-01-01	0.2690258184552100
2011-04-01	0.2862455441696950
2011-07-01	0.2488985907320970