Quarter	Percent Change
1970-04-01	0.86598530292051800
1970-07-01	1.71710073500106000
1970-10-01	2.53217115765512000
1971-01-01	3.29284769075444000
1971-04-01	2.69063502385798000
1971-07-01	2.13592435120539000
1971-10-01	1.61717042984050000
1972-01-01	1.12489273666540000
1972-04-01	1.66856794757823000
1972-07-01	2.18824387424287000
1972-10-01	2.67673067086261000
1973-01-01	3.12833901225731000
1973-04-01	2.95824969990160000
1973-07-01	2.80021925549221000
1973-10-01	2.65289980729182000
1974-01-01	2.51513273547027000
1974-04-01	2.84464544282088000
1974-07-01	3.14636221668764000
1974-10-01	3.41918102767114000
1975-01-01	3.66274031017903000
1975-04-01	2.88450166083914000
1975-07-01	2.17299932405049000
1975-10-01	1.50956489490690000
1976-01-01	0.87907528069659700
1976-04-01	0.82374517276779000
1976-07-01	0.76973483923749000
1976-10-01	0.71693610337469400
1977-01-01	0.66524762654062400
1977-04-01	1.33709250663423000
1977-07-01	1.98676873163110000
1977-10-01	2.60238391068639000
1978-01-01	3.17410034643044000
1978-04-01	2.06540848607460000
1978-07-01	1.03302996981874000
1978-10-01	0.04201331024134550
1979-01-01	-0.93804684833907300
1979-04-01	-0.29789437019736000
1979-07-01	0.35218987350858100
1979-10-01	0.99964355114619400
1980-01-01	1.63201888120330000
1980-04-01	1.77106387971202000
1980-07-01	1.90261942348245000
1980-10-01	2.02644035043767000
1981-01-01	2.14237110171773000
1981-04-01	1.66533581687624000
1981-07-01	1.21303430503543000
1981-10-01	0.77856761834877900
1982-01-01	0.35586845109926800
1982-04-01	0.21878869133484700
1982-07-01	0.08278971656252210
1982-10-01	-0.05268799807307380
1983-01-01	-0.18819638494289500
1983-04-01	0.26414680517482000
1983-07-01	0.71495630764907400
1983-10-01	1.15818120455183000
1984-01-01	1.58808852354485000
1984-04-01	1.27718396946197000
1984-07-01	0.97860682415498700
1984-10-01	0.68938953532884500
1985-01-01	0.40685135885090500
1985-04-01	0.50673081590739600
1985-07-01	0.60519216310874400
1985-10-01	0.70196009354070000
1986-01-01	0.79677554518097800
1986-04-01	0.75618988944049000
1986-07-01	0.71648457890254800
1986-10-01	0.67759968643285100
1987-01-01	0.63947867091914900
1987-04-01	0.50524165994440000
1987-07-01	0.37318253247257000
1987-10-01	0.24275731286068300
1988-01-01	0.11344419646988000
1988-04-01	-0.38395980095655400
1988-07-01	-0.13715728929150400
1988-10-01	0.26531405356718000
1989-01-01	0.58087528098708400
1989-04-01	0.80423449062790000
1989-07-01	0.78054551640978800
1989-10-01	0.50196673765557600
1990-01-01	0.37734747645477000
1990-04-01	0.86522398141696400
1990-07-01	1.08742326633482000
1990-10-01	1.05283333377974000
1991-01-01	1.23274545496378000
1991-04-01	0.89940953442368600
1991-07-01	0.71708853663909900
1991-10-01	1.25746711430768000
1992-01-01	1.32108361070755000
1992-04-01	0.89345478504564600
1992-07-01	0.65656735491448700
1992-10-01	0.39392227090649800
1993-01-01	0.28645028433113100
1993-04-01	0.21740901459688500
1993-07-01	0.21799977441718200
1993-10-01	0.43906276913381900
1994-01-01	0.49205600186627200
1994-04-01	0.29546950452080100
1994-07-01	-0.48703786004762300
1994-10-01	-1.23353116875523000
1995-01-01	-1.16856321275190000
1995-04-01	-0.78873466818435100
1995-07-01	-0.21774519392586100
1995-10-01	0.14094017629364600
1996-01-01	0.00571131381948125
1996-04-01	0.10292041864883600
1996-07-01	0.29904659587781400
1996-10-01	-0.07743867565191550
1997-01-01	-0.48652957637501600
1997-04-01	-0.40268057737142500
1997-07-01	-0.44061534029013000
1997-10-01	-0.35661591600776900
1998-01-01	-0.01413624265791680
1998-04-01	0.07767677053991270
1998-07-01	0.22141580509810600
1998-10-01	0.35998980611728500
1999-01-01	0.11779366828494300
1999-04-01	-0.25729099886164300
1999-07-01	-0.13937593946349800
1999-10-01	0.16979770811773200
2000-01-01	0.13484651045078100
2000-04-01	-0.04758784583850940
2000-07-01	-0.30179007837563700
2000-10-01	-0.32223959619159900
2001-01-01	0.17081622058001900
2001-04-01	0.58188382822870700
2001-07-01	0.48594384866262200
2001-10-01	0.07300172530169660
2002-01-01	-0.23027706199516300
2002-04-01	0.02405150988593920
2002-07-01	0.28277773190043100
2002-10-01	0.30573944675407000
2003-01-01	0.43459179400008300
2003-04-01	0.27221430459628700
2003-07-01	-0.00115490933869490
2003-10-01	-0.18222801775256000
2004-01-01	-0.36354384932151500
2004-04-01	-0.31098059484464500
2004-07-01	-0.05243917074850210
2004-10-01	0.32825530188167200
2005-01-01	0.18983142393813000
2005-04-01	-0.10757568920093200
2005-07-01	0.10936027131509400
2005-10-01	0.16001269852222600
2006-01-01	0.23848135067313500
2006-04-01	0.36862140289583400
2006-07-01	0.05349891751788860
2006-10-01	-0.24505095662274000
2007-01-01	-0.06137667441720300
2007-04-01	0.43529719063514900
2007-07-01	0.70600126966426000
2007-10-01	0.48778482076736900
2008-01-01	0.44545482958994800
2008-04-01	1.02457692701503000
2008-07-01	1.60886987458028000
2008-10-01	1.91936881640510000
2009-01-01	1.73492083947789000
2009-04-01	0.81162148262697700
2009-07-01	-0.07600556382826480
2009-10-01	-0.18813278275481400
2010-01-01	-0.07259318958221190
2010-04-01	-0.27401462265695400
2010-07-01	-0.35363119022696800
2010-10-01	-0.26596841063058200
2011-01-01	-0.17346552687421200