Quarter	Percent Change
1970-04-01	1.2376483601620300
1970-07-01	2.4450358145016900
1970-10-01	3.5800209471061900
1971-01-01	4.6083802586175300
1971-04-01	3.5058268062949500
1971-07-01	2.5180122171811000
1971-10-01	1.6084420077019200
1972-01-01	0.7486763910054930
1972-04-01	1.5239865412543800
1972-07-01	2.2702618155896000
1972-10-01	2.9719428536129000
1973-01-01	3.6165391939141200
1973-04-01	3.9537868059542100
1973-07-01	4.2492563090657800
1973-10-01	4.5037295084317700
1974-01-01	4.7188790981142500
1974-04-01	5.4325864749709300
1974-07-01	6.0312830075285000
1974-10-01	6.5168525974334100
1975-01-01	6.8960864935781000
1975-04-01	0.0242902503760081
1975-07-01	0.0861041375809406
1975-10-01	-0.0058288544236218
1976-01-01	0.0864150230755505
1976-04-01	0.3664849321655100
1976-07-01	0.5086141062612220
1976-10-01	0.6626653168142420
1977-01-01	0.8114890208837040
1977-04-01	0.4302667661860670
1977-07-01	-0.1509900787482340
1977-10-01	-0.1648584195299060
1978-01-01	-0.1316888752363600
1978-04-01	0.3257187152291960
1978-07-01	1.3320496110237300
1978-10-01	1.3716331345075300
1979-01-01	0.9863352503433090
1979-04-01	1.0451185745897200
1979-07-01	1.0773420520418400
1979-10-01	1.4060736536446900
1980-01-01	2.5041258340796800
1980-04-01	3.2603791483655400
1980-07-01	3.3078056289830400
1980-10-01	3.2793167850037100
1981-01-01	2.6540815403853300
1981-04-01	2.0386482616940700
1981-07-01	1.6594176315235200
1981-10-01	1.5930523326061100
1982-01-01	2.2447791500013800
1982-04-01	2.1792636505434600
1982-07-01	1.9034103829945100
1982-10-01	1.8612514264523100
1983-01-01	0.7718706431907460
1983-04-01	0.1368097014603900
1983-07-01	0.6873363188418840
1983-10-01	0.8988849223532080
1984-01-01	1.2013650735799800
1984-04-01	1.7191472124547500
1984-07-01	1.3349797921910500
1984-10-01	0.7020703886617600
1985-01-01	0.7753093885316650
1985-04-01	1.2039628991881600
1985-07-01	1.2392088336574500
1985-10-01	1.1332253184337400
1986-01-01	0.5639771359035150
1986-04-01	-0.7557227981512760
1986-07-01	-0.9459700741373630
1986-10-01	-0.2937162886272080
1987-01-01	0.1681920333408590
1987-04-01	0.7511808586345510
1987-07-01	0.7252505168663850
1987-10-01	0.5326477286736440
1988-01-01	0.7389500897909850
1988-04-01	1.1541548965818200
1988-07-01	1.7068387508332500
1988-10-01	1.8161356260758200
1989-01-01	1.3619284619372300
1989-04-01	0.2888700250789790
1989-07-01	-0.4643267152926510
1989-10-01	0.5316521639464450
1990-01-01	2.0973823993200100
1990-04-01	2.9696081565264900
1990-07-01	3.3768037607081300
1990-10-01	2.6129886769405000
1991-01-01	1.4771417039248900
1991-04-01	1.0837148379028700
1991-07-01	0.3694919867093990
1991-10-01	-0.9034309068285710
1992-01-01	-1.9984715824024800
1992-04-01	-2.3180712265292500
1992-07-01	-2.1922632071700000
1992-10-01	-1.9692416247326900
1993-01-01	-1.5663909931297300
1993-04-01	-1.5842462894070400
1993-07-01	-1.7441521932845600
1993-10-01	-1.5729058397939400
1994-01-01	-1.0678786134718000
1994-04-01	-0.2502532156371040
1994-07-01	0.5131761062249130
1994-10-01	1.2212179725390800
1995-01-01	1.5847470967168800
1995-04-01	1.6880836344886800
1995-07-01	1.8132700731098800
1995-10-01	1.0974135071525700
1996-01-01	-0.0128241183412139
1996-04-01	-0.6948433747304180
1996-07-01	-1.3127164332956700
1996-10-01	-1.2449817892940400
1997-01-01	-0.7835909425254400
1997-04-01	-0.7442678295678500
1997-07-01	-0.7099547983724440
1997-10-01	-0.3525015567640680
1998-01-01	-0.0539259984545067
1998-04-01	-0.4829272204963630
1998-07-01	-0.7030192664742690
1998-10-01	-0.6942993431476180
1999-01-01	-0.8703835939164120
1999-04-01	-0.3967813989407260
1999-07-01	-0.2512530837375900
1999-10-01	-1.1770213565683500
2000-01-01	-1.8090062685351500
2000-04-01	-1.6190001115593900
2000-07-01	-1.0338363786897800
2000-10-01	0.0827856633456353
2001-01-01	1.0212337745160100
2001-04-01	0.8524659463381760
2001-07-01	0.1905739871093570
2001-10-01	-0.5355691879172390
2002-01-01	-1.2998408375242400
2002-04-01	-1.4631584914371800
2002-07-01	-1.1979710636730600
2002-10-01	-1.0001385044816400
2003-01-01	-0.6148714751303840
2003-04-01	-0.4476814238357170
2003-07-01	-0.5050580514825330
2003-10-01	-0.3803132213430720
2004-01-01	-0.5816057159960600
2004-04-01	-0.7895837364734770
2004-07-01	-0.6649624305312510
2004-10-01	-0.3110860802870780
2005-01-01	0.3380291217802130
2005-04-01	0.5694698771023470
2005-07-01	0.0559894124476033
2005-10-01	-0.9052316055833640
2006-01-01	-1.6737304922122900
2006-04-01	-1.8164718819315200
2006-07-01	-1.5581196062947400
2006-10-01	-1.3741464780747800
2007-01-01	-1.5588910694378900
2007-04-01	-1.3860570284701800
2007-07-01	-1.0376602306233800
2007-10-01	-0.3817491433262570
2008-01-01	0.9625406231504710
2008-04-01	1.6685535143068500
2008-07-01	2.2639369378059800
2008-10-01	2.5458275449572700
2009-01-01	1.5444557212525100
2009-04-01	0.3645821552983380
2009-07-01	-0.6434400684657180
2009-10-01	-1.2125552918281600
2010-01-01	-1.2538245636280000
2010-04-01	-0.9222081814222340
2010-07-01	-0.5613469279027290
2010-10-01	-0.4688279547381540
2011-01-01	-0.2163900266276830