Quarter	Percent Change
1969-04-01	0.85971174683165400
1969-07-01	1.70476740800056000
1969-10-01	2.51428834377304000
1970-01-01	3.27016312801403000
1970-04-01	3.35175861872562000
1970-07-01	3.42220349151949000
1970-10-01	3.48218043048387000
1971-01-01	3.53239270558570000
1971-04-01	3.85942787995142000
1971-07-01	4.14693583976473000
1971-10-01	4.39557867718109000
1972-01-01	4.60684719748586000
1972-04-01	3.91097712944974000
1972-07-01	3.28934537751168000
1972-10-01	2.72527051130520000
1973-01-01	2.20583294443821000
1973-04-01	2.16683960981874000
1973-07-01	2.12931431122911000
1973-10-01	2.09317483568278000
1974-01-01	2.05834509458825000
1974-04-01	2.72964088113006000
1974-07-01	3.35098025219790000
1974-10-01	3.91370188633398000
1975-01-01	4.41238570622632000
1975-04-01	3.36541599461037000
1975-07-01	2.42335433507673000
1975-10-01	1.55322512234509000
1976-01-01	0.72910827573610900
1976-04-01	2.13590189551763000
1976-07-01	3.47377656579946000
1976-10-01	4.69328377562493000
1977-01-01	5.75911928836709000
1977-04-01	5.12903183591077000
1977-07-01	4.57776267065230000
1977-10-01	4.08952005359481000
1978-01-01	3.65230168848481000
1978-04-01	3.54006337097330000
1978-07-01	3.43491952510578000
1978-10-01	3.33621514400386000
1979-01-01	3.24337335868006000
1979-04-01	2.66381969530087000
1979-07-01	2.12943179538124000
1979-10-01	1.62946376864734000
1980-01-01	1.15507358038432000
1980-04-01	1.66354224340713000
1980-07-01	2.14944364642886000
1980-10-01	2.60653979998642000
1981-01-01	3.02988962580423000
1981-04-01	2.28694404589201000
1981-07-01	1.59658801201357000
1981-10-01	0.94231880465793900
1982-01-01	0.31021671029242900
1982-04-01	0.29192290986828000
1982-07-01	0.27378922392849500
1982-10-01	0.25580489960223000
1983-01-01	0.23795940366303700
1983-04-01	-0.27055794973260700
1983-07-01	-0.78062241823418400
1983-10-01	-1.30010178923478000
1984-01-01	-1.83732660094085000
1984-04-01	-1.34053530328552000
1984-07-01	-0.82035155008972400
1984-10-01	-0.28428541562880900
1985-01-01	0.25930331137472100
1985-04-01	0.15234039555211500
1985-07-01	0.04597806006228560
1985-10-01	-0.06012488866452030
1986-01-01	-0.16630669900408500
1986-04-01	0.10433076887239300
1986-07-01	0.37485418840923100
1986-10-01	0.64307574722156200
1987-01-01	0.90686538369950200
1987-04-01	-2.25364527484003000
1987-07-01	-1.96759726909419000
1987-10-01	-1.21280184690294000
1988-01-01	-0.50592379473179800
1988-04-01	-0.00132221504583455
1988-07-01	-0.06660861942580770
1988-10-01	-0.19375914960975500
1989-01-01	0.09703995662348270
1989-04-01	0.90947773118253500
1989-07-01	1.58292791643037000
1989-10-01	1.63072427058792000
1990-01-01	1.73122676651723000
1990-04-01	2.06170497138513000
1990-07-01	1.79012800614117000
1990-10-01	1.22456333357920000
1991-01-01	0.70150669623786700
1991-04-01	0.00585542198769704
1991-07-01	0.26857945100324600
1991-10-01	1.24701228849119000
1992-01-01	1.84967297994249000
1992-04-01	2.03902205520117000
1992-07-01	1.62212510387955000
1992-10-01	0.93709711948664100
1993-01-01	0.88193225601487900
1993-04-01	1.26833677669602000
1993-07-01	1.15409593652685000
1993-10-01	0.60921331221664700
1994-01-01	0.02127241983576420
1994-04-01	-0.17339783429224600
1994-07-01	0.24764661306366900
1994-10-01	0.88804876636849300
1995-01-01	1.43276838893990000
1995-04-01	1.43807827442319000
1995-07-01	1.07780369549313000
1995-10-01	0.95847636672341600
1996-01-01	0.88316333116243800
1996-04-01	0.78108769710579800
1996-07-01	0.88888944142511500
1996-10-01	1.14475476360798000
1997-01-01	1.12193483052295000
1997-04-01	0.82357389212715700
1997-07-01	0.80147863917189600
1997-10-01	0.91685065099148600
1998-01-01	1.04039196216334000
1998-04-01	1.09973157211772000
1998-07-01	1.01986242784522000
1998-10-01	0.87298796446001300
1999-01-01	0.64215801371760000
1999-04-01	0.62254320018291800
1999-07-01	0.70498319520871100
1999-10-01	0.69467014782067000
2000-01-01	0.79513474514195800
2000-04-01	1.13962769211417000
2000-07-01	1.46151360110371000
2000-10-01	1.50543737953232000
2001-01-01	1.38984609834109000
2001-04-01	1.27619734243438000
2001-07-01	1.36798248903969000
2001-10-01	1.70546900464344000
2002-01-01	2.07300644472847000
2002-04-01	1.99231222517222000
2002-07-01	1.64812615938865000
2002-10-01	1.53240146849892000
2003-01-01	1.53294139977052000
2003-04-01	1.69258549175222000
2003-07-01	1.85869047336068000
2003-10-01	1.75072707980839000
2004-01-01	1.62617578862603000
2004-04-01	1.31717526178867000
2004-07-01	0.49329179662576200
2004-10-01	-0.18759178702213900
2005-01-01	-0.45676977030788000
2005-04-01	-0.47849596974915000
2005-07-01	-0.12312869986107100
2005-10-01	0.41035269743982500
2006-01-01	0.75930934127242600
2006-04-01	0.63995601564982000
2006-07-01	0.29717069304569600
2006-10-01	-0.02616690480082020
2007-01-01	-0.36949021485752900
2007-04-01	-0.41976051831661900
2007-07-01	-0.13980238624210000
2007-10-01	0.09626089690078290
2008-01-01	0.31583456512352600
2008-04-01	0.72181443074894600
2008-07-01	1.22007747718926000
2008-10-01	1.54790967343011000
2009-01-01	1.95112588179552000
2009-04-01	2.60390411325498000
2009-07-01	2.94723923702781000
2009-10-01	2.85598128210219000
2010-01-01	2.44207302324204000
2010-04-01	1.87512897199880000
2010-07-01	1.55466827316974000
2010-10-01	1.54390288443499000
2011-01-01	1.64946481291417000