Quarter	Percent Change
1970-04-01	0.7017967503079870
1970-07-01	1.3938117748744900
1970-10-01	2.0619775760613400
1971-01-01	2.6937589183050700
1971-04-01	2.7851903724025800
1971-07-01	2.8674190682574000
1971-10-01	2.9407933912143900
1972-01-01	3.0057054870086000
1972-04-01	2.9162951522565300
1972-07-01	2.8320019006556800
1972-10-01	2.7523984833483200
1973-01-01	2.6771039152939000
1973-04-01	4.1489816620486700
1973-07-01	5.4639609020245500
1973-10-01	6.5844511002607000
1974-01-01	7.4945478312565900
1974-04-01	6.3001595664041000
1974-07-01	5.2947174759061800
1974-10-01	4.4282097762908500
1975-01-01	3.6656240452015800
1975-04-01	3.7151868789761100
1975-07-01	3.7548660615681400
1975-10-01	3.7854871656895800
1976-01-01	3.8078504541011500
1976-04-01	3.6500666498776200
1976-07-01	3.5040607935599200
1976-10-01	3.3685568727090600
1977-01-01	3.2424564469117800
1977-04-01	3.9229133927268700
1977-07-01	4.5275900949637800
1977-10-01	5.0516328818904600
1978-01-01	5.4942385639042200
1978-04-01	5.3452773152775400
1978-07-01	5.2042779971184800
1978-10-01	5.0706122864606800
1979-01-01	4.9437167138945400
1979-04-01	4.7373687584493400
1979-07-01	4.5484346596890500
1979-10-01	4.3747915364154500
1980-01-01	4.2146484601962700
1980-04-01	4.9843537745722100
1980-07-01	5.6432293715192000
1980-10-01	6.1894621020057200
1981-01-01	6.6269700301932200
1981-04-01	4.7390245107149100
1981-07-01	3.1153160725230500
1981-10-01	1.6544871511923000
1982-01-01	0.2830942839732440
1982-04-01	1.3782012027647700
1982-07-01	2.4404726593678100
1982-10-01	3.4375869107929100
1983-01-01	4.3435287591136400
1983-04-01	3.3331316319797300
1983-07-01	2.4227886505250800
1983-10-01	1.5816400041094600
1984-01-01	0.7853800085997080
1984-04-01	0.7578875397577310
1984-07-01	0.7309752516999600
1984-10-01	0.7046131697863670
1985-01-01	0.6787728152629820
1985-04-01	0.7472711449301170
1985-07-01	0.8142609535048730
1985-10-01	0.8796310389826000
1986-01-01	0.9432803951669590
1986-04-01	0.8592946410881700
1986-07-01	0.7774430382923060
1986-10-01	0.6974898136468870
1987-01-01	0.6192151533432850
1987-04-01	0.8758474241904790
1987-07-01	1.1264246554689000
1987-10-01	1.3691835059772000
1988-01-01	1.6025475538915900
1988-04-01	1.2909735830309100
1988-07-01	0.9918713336724340
1988-10-01	0.7022573101749340
1989-01-01	0.4194391884783380
1989-04-01	0.6535801279071930
1989-07-01	0.8836973210046660
1989-10-01	1.1082647605488400
1990-01-01	1.3258787573293600
1990-04-01	2.0864667881243300
1990-07-01	2.8058610110201700
1990-10-01	3.4705208933232100
1991-01-01	4.0704932918327600
1991-04-01	3.4343301399669100
1991-07-01	2.8591817933347500
1991-10-01	2.3314044382891000
1992-01-01	1.8402013654826300
1992-04-01	1.9390331741776300
1992-07-01	2.0317207591532600
1992-10-01	2.1182546565294100
1993-01-01	2.1986719733664100
1993-04-01	2.1719631820136800
1993-07-01	2.2095509697120600
1993-10-01	1.9368612840002500
1994-01-01	2.0703208819280500
1994-04-01	2.5100708245398200
1994-07-01	2.3127426506757600
1994-10-01	1.8897371695761100
1995-01-01	2.1465995415421700
1995-04-01	2.4575443879702900
1995-07-01	2.5088005082887200
1995-10-01	2.5956911541592400
1996-01-01	1.8963954954677400
1996-04-01	1.0150265983001200
1996-07-01	0.7072611180890060
1996-10-01	0.1363298518438720
1997-01-01	-0.7742953219874550
1997-04-01	-1.0269451201450400
1997-07-01	-0.4933139484219900
1997-10-01	0.2616167888443580
1998-01-01	0.9033952277915090
1998-04-01	0.2289359665722170
1998-07-01	-0.6737728906412570
1998-10-01	-0.0219695397917709
1999-01-01	0.6835850893883650
1999-04-01	0.5838528506506170
1999-07-01	0.3222787391333970
1999-10-01	-0.3656633599235610
2000-01-01	-0.8446439609999710
2000-04-01	-0.2080741621978980
2000-07-01	0.4384933350645050
2000-10-01	0.4229259280119990
2001-01-01	0.3163805987325020
2001-04-01	0.3359668852788910
2001-07-01	0.3112033642892430
2001-10-01	-0.0755318376918387
2002-01-01	-0.3837874640241970
2002-04-01	-0.0212946339649896
2002-07-01	0.5788883952814950
2002-10-01	0.9621271762089410
2003-01-01	1.2411261549250500
2003-04-01	1.2705978466376800
2003-07-01	0.6452076338689340
2003-10-01	0.4347572970276180
2004-01-01	0.6945963781847960
2004-04-01	0.3956289074658570
2004-07-01	0.1102729691756180
2004-10-01	0.0539169351412292
2005-01-01	0.1356594472101250
2005-04-01	0.3626907224675360
2005-07-01	0.5130375854782190
2005-10-01	0.4714625555910420
2006-01-01	0.1783553977511780
2006-04-01	-0.3669149520598260
2006-07-01	-0.4372625778872140
2006-10-01	0.0558239742188109
2007-01-01	0.0714963273867594
2007-04-01	0.3735476227352880
2007-07-01	1.2518939921966400
2007-10-01	1.2482583448471300
2008-01-01	0.9249078457389000
2008-04-01	1.1544230685504800
2008-07-01	1.2797171475022600
2008-10-01	1.2992020710600100
2009-01-01	1.1269822774176200
2009-04-01	0.3407373382420540
2009-07-01	-0.0287246050103202
2009-10-01	0.4391061747262180
2010-01-01	0.4834238555856080
2010-04-01	0.1182720999248470
2010-07-01	-0.1186933110360980
2010-10-01	-0.1872396083642410
2011-01-01	0.5136139396732620
2011-04-01	1.3802130854832800
2011-07-01	1.3164756948880800