Quarter	Percent Change
1970-04-01	0.4398936112867510
1970-07-01	0.8759348911763920
1970-10-01	1.3024920843859300
1971-01-01	1.7143279656160400
1971-04-01	2.2463192155903900
1971-07-01	2.7455317409763100
1971-10-01	3.2060699268241600
1972-01-01	3.6237934908783100
1972-04-01	4.1792295025926000
1972-07-01	4.6663742368526700
1972-10-01	5.0839357943572400
1973-01-01	5.4333142545115700
1973-04-01	4.0731042466175700
1973-07-01	2.8757570334336000
1973-10-01	1.7864460180022600
1974-01-01	0.7638756761274730
1974-04-01	4.1225378073101500
1974-07-01	7.1905578449597600
1974-10-01	9.7226856944774800
1975-01-01	11.6085124060361000
1975-04-01	9.2029617048253400
1975-07-01	7.3302263987989900
1975-10-01	5.8073672237551300
1976-01-01	4.5224956856127900
1976-04-01	4.5123095250246800
1976-07-01	4.4949767668956600
1976-10-01	4.4714704183484900
1977-01-01	4.4426688294537500
1977-04-01	9.4782803972713700
1977-07-01	13.4299423151576000
1977-10-01	16.0470883435563000
1978-01-01	17.4535362896465000
1978-04-01	15.0699405885039000
1978-07-01	13.2788211276735000
1978-10-01	11.8833432448839000
1979-01-01	10.7651781422476000
1979-04-01	7.7364199701558300
1979-07-01	5.3407388675530600
1979-10-01	3.3231212625214900
1980-01-01	1.5255803769379400
1980-04-01	1.9191386682875600
1980-07-01	2.2916413325252900
1980-10-01	2.6397869532136700
1981-01-01	2.9611053791064800
1981-04-01	1.9992555404606400
1981-07-01	1.1005623556156200
1981-10-01	0.2384319326557060
1982-01-01	-0.6102630464234560
1982-04-01	-0.5684874693301000
1982-07-01	-0.5259548024994890
1982-10-01	-0.4827108605838240
1983-01-01	-0.4388040204121830
1983-04-01	0.5977571976278360
1983-07-01	1.6265296221478100
1983-10-01	2.6162991422747700
1984-01-01	3.5394974499285400
1984-04-01	2.5273728043647000
1984-07-01	1.5959113075058600
1984-10-01	0.7153352354631300
1985-01-01	-0.1391760154206820
1985-04-01	0.3862912001560690
1985-07-01	0.9084431493801590
1985-10-01	1.4191890398179200
1986-01-01	1.9109927857724200
1986-04-01	2.4869795662427400
1986-07-01	3.0236041361674100
1986-10-01	3.5143193865269100
1987-01-01	3.9547894180183100
1987-04-01	4.2227520013547200
1987-07-01	4.4531236902281000
1987-10-01	4.6476225693092100
1988-01-01	4.8084898868439600
1988-04-01	4.9344163343446700
1988-07-01	5.0326201085180100
1988-10-01	5.1058985588697400
1989-01-01	5.1570027742448800
1989-04-01	5.5822097739379800
1989-07-01	5.9293334283034500
1989-10-01	6.2037515415194100
1990-01-01	6.4122600304319000
1990-04-01	5.5855475231124700
1990-07-01	4.8730430664619100
1990-10-01	4.2489640382970500
1991-01-01	3.6943450075241700
1991-04-01	3.4726228972120700
1991-07-01	3.2690001168156500
1991-10-01	3.0811969693261500
1992-01-01	2.9072951388213200
1992-04-01	2.3058781393827300
1992-07-01	1.7463286724504800
1992-10-01	1.2174901271304100
1993-01-01	0.7099808226010470
1993-04-01	-0.4350477911393370
1993-07-01	-0.1187665663954400
1993-10-01	0.0921730883515081
1994-01-01	0.4076881899820970
1994-04-01	2.0083676981224500
1994-07-01	2.7729644275941500
1994-10-01	2.3521542060691300
1995-01-01	2.1144494132470700
1995-04-01	1.7379765728244000
1995-07-01	1.5665669993032600
1995-10-01	1.7675266178086900
1996-01-01	2.4187139052371600
1996-04-01	3.1978592047240300
1996-07-01	3.0830853513844800
1996-10-01	3.1487286492792200
1997-01-01	3.3875286341372000
1997-04-01	2.3854413997960600
1997-07-01	0.5700029895087050
1997-10-01	-0.5847300451247130
1998-01-01	-0.6960088341128670
1998-04-01	-1.1548130201850700
1998-07-01	-1.5222727211837600
1998-10-01	-1.1069166459804400
1999-01-01	-0.6319910576348270
1999-04-01	0.6092343499304410
1999-07-01	1.8154586124894700
1999-10-01	1.6516448321283400
2000-01-01	0.8214974565085020
2000-04-01	1.0440040791920100
2000-07-01	3.1726343563553800
2000-10-01	4.0976515439750700
2001-01-01	2.7203196690588500
2001-04-01	1.1631122644121000
2001-07-01	0.6214665605524940
2001-10-01	1.5955909665398700
2002-01-01	2.6156538255185400
2002-04-01	2.9452191644002000
2002-07-01	2.8426658794370200
2002-10-01	3.1180214227882300
2003-01-01	3.8860213361670800
2003-04-01	3.3848571264967900
2003-07-01	1.6047170964546500
2003-10-01	0.0928527133435715
2004-01-01	0.0663078049726377
2004-04-01	0.8569242321711930
2004-07-01	1.3603155788037100
2004-10-01	1.1685762859661800
2005-01-01	0.1602371047627820
2005-04-01	-0.2731328091007860
2005-07-01	0.2137862566142750
2005-10-01	0.1434884884030910
2006-01-01	-0.2749140333785300
2006-04-01	-0.4906074108705040
2006-07-01	-0.8443797929144010
2006-10-01	-0.6674137164033230
2007-01-01	0.1390140146976920
2007-04-01	0.4313218928330110
2007-07-01	-0.4499701826241760
2007-10-01	-0.7683612755686420
2008-01-01	0.4874707411929860
2008-04-01	1.0136415330840500
2008-07-01	0.8971590013669190
2008-10-01	0.6654921943660060
2009-01-01	-0.4592977980317910
2009-04-01	-0.4473923025745930
2009-07-01	0.8952180860322210
2009-10-01	1.4938267813503200
2010-01-01	1.3912570415313200
2010-04-01	1.8069506219063300
2010-07-01	2.5283240394051300
2010-10-01	2.9546026713116100
2011-01-01	3.1569093191836500
2011-04-01	2.3758110324924000
2011-07-01	1.4211384201736900