Quarter	Percent Change
1970-04-01	1.0561724899403700
1970-07-01	2.0902682911211500
1970-10-01	3.0712057737422600
1971-01-01	3.9729244906079100
1971-04-01	2.9711283661506000
1971-07-01	2.0599390724065300
1971-10-01	1.2095621925026600
1972-01-01	0.3959730585742520
1972-04-01	1.1083153135233700
1972-07-01	1.8022450272484800
1972-10-01	2.4639176361006600
1973-01-01	3.0815688985335100
1973-04-01	3.3114990390971600
1973-07-01	3.5170828836381800
1973-10-01	3.6987247719206300
1974-01-01	3.8571955610362200
1974-04-01	4.6221847245681100
1974-07-01	5.2860950045032800
1974-10-01	5.8452279712121500
1975-01-01	6.3014269405095100
1975-04-01	5.1557667928127700
1975-07-01	4.1687186908269700
1975-10-01	3.2970136093137300
1976-01-01	2.5094007514420700
1976-04-01	3.2651198281803600
1976-07-01	3.9531917964032200
1976-10-01	4.5640763990491400
1977-01-01	5.0928534653945700
1977-04-01	4.3803309345493300
1977-07-01	3.7503337208258000
1977-10-01	3.1847197940633800
1978-01-01	2.6696509340801500
1978-04-01	2.8431621813975200
1978-07-01	3.0007737806521500
1978-10-01	3.1426814759680100
1979-01-01	3.2692696038725700
1979-04-01	3.6192753343819400
1979-07-01	3.9305221741101000
1979-10-01	4.2029859959418800
1980-01-01	4.4375861201726800
1980-04-01	4.8041143276056400
1980-07-01	5.1135368953053000
1980-10-01	5.3686474254487200
1981-01-01	5.5733086490107200
1981-04-01	3.9318798812730300
1981-07-01	3.6643846456622000
1981-10-01	3.4805488173716600
1982-01-01	3.7744452478231200
1982-04-01	3.8479200647180100
1982-07-01	4.0849583029637400
1982-10-01	4.2611845848342500
1983-01-01	3.8591791842971800
1983-04-01	3.4943627835094000
1983-07-01	2.7747385419127500
1983-10-01	2.0597390365790800
1984-01-01	1.8840816182271000
1984-04-01	1.7374879964284100
1984-07-01	1.6621177150065800
1984-10-01	1.8451960182147700
1985-01-01	2.0235491210177200
1985-04-01	1.9111685094766900
1985-07-01	1.7577178164146900
1985-10-01	1.5562512981278100
1986-01-01	1.1876805095454600
1986-04-01	0.9541204141916350
1986-07-01	0.9162199527191010
1986-10-01	1.1022041148999100
1987-01-01	1.2684070900714000
1987-04-01	1.3705820316975000
1987-07-01	1.4706739466771600
1987-10-01	1.3408520377265900
1988-01-01	1.2358084113882200
1988-04-01	1.2851246063554500
1988-07-01	1.2367869144711500
1988-10-01	1.2000823477192200
1989-01-01	1.1860796870722300
1989-04-01	1.2094267566840800
1989-07-01	1.4915195917492000
1989-10-01	1.8835284566029500
1990-01-01	2.4045440489005000
1990-04-01	2.7737195263327600
1990-07-01	2.6372487341016500
1990-10-01	2.2843430644383600
1991-01-01	1.8459802645180700
1991-04-01	1.4349438880971300
1991-07-01	1.3451861359935600
1991-10-01	1.2820630805182400
1992-01-01	1.0355980870457100
1992-04-01	0.8636765829244560
1992-07-01	0.6805605058296670
1992-10-01	0.5090059754415640
1993-01-01	0.2923456897850090
1993-04-01	0.0861315216272430
1993-07-01	0.0298254114969247
1993-10-01	-0.0940908215206718
1994-01-01	-0.1155498582426650
1994-04-01	-0.0597994461771394
1994-07-01	-0.1996179212119830
1994-10-01	-0.1056254842211040
1995-01-01	0.2888115608766650
1995-04-01	0.6172872907063650
1995-07-01	1.0411516807198300
1995-10-01	1.2487112633976400
1996-01-01	1.2761048366631800
1996-04-01	1.4457171389873400
1996-07-01	1.3507982903427800
1996-10-01	1.2474092365217400
1997-01-01	0.8830300221930130
1997-04-01	0.1020974516964160
1997-07-01	-0.4307923481741680
1997-10-01	-0.8180612466931130
1998-01-01	-0.7390507126678420
1998-04-01	-0.2664556553708300
1998-07-01	0.2201179824157670
1998-10-01	0.6506225875970550
1999-01-01	0.6053618032452220
1999-04-01	0.4510308049998450
1999-07-01	0.2206366025418300
1999-10-01	-0.1797824967892480
2000-01-01	-0.2753808342389330
2000-04-01	-0.1073237779929070
2000-07-01	0.1065933835104120
2000-10-01	0.4928149208580810
2001-01-01	0.9370239487738870
2001-04-01	1.1593432323884800
2001-07-01	1.1729397334789600
2001-10-01	1.0677430214300400
2002-01-01	0.7826143122808840
2002-04-01	0.4880009982730240
2002-07-01	0.5312183966232550
2002-10-01	0.7090374619227410
2003-01-01	1.0239532214138800
2003-04-01	1.2033262289586300
2003-07-01	1.0111419054167400
2003-10-01	0.7315923413519020
2004-01-01	0.4708022192022780
2004-04-01	0.4130584722344160
2004-07-01	0.3901603477456350
2004-10-01	0.5531516738558890
2005-01-01	0.6172777933944360
2005-04-01	0.3679059104537870
2005-07-01	0.4779257313647860
2005-10-01	0.4280686293451010
2006-01-01	0.4297545845288010
2006-04-01	0.8630510064231820
2006-07-01	0.9185880406419580
2006-10-01	0.9848143844156870
2007-01-01	1.0215882572418300
2007-04-01	0.7262659687726500
2007-07-01	0.6601164945760900
2007-10-01	0.6458202067577470
2008-01-01	0.6304416506377530
2008-04-01	1.0160358915762400
2008-07-01	1.3318606766211500
2008-10-01	1.3388372708042600
2009-01-01	1.1857819361372100
2009-04-01	0.6050140773447670
2009-07-01	0.0423667373365814
2009-10-01	-0.1657969583575840
2010-01-01	-0.1561410809131350
2010-04-01	-0.0142957008605400
2010-07-01	0.0963365895745346
2010-10-01	0.1284243036965070
2011-01-01	0.0305035582219481