Quarter	Percent Change
1970-04-01	0.88778552611344100
1970-07-01	1.75994650191555000
1970-10-01	2.59426234640752000
1971-01-01	3.37154933486588000
1971-04-01	2.54469539114607000
1971-07-01	1.78244923215738000
1971-10-01	1.06437888638749000
1972-01-01	0.37354744404893000
1972-04-01	1.05756246285301000
1972-07-01	1.72472798012763000
1972-10-01	2.36221860560096000
1973-01-01	2.95905264110511000
1973-04-01	4.42257245136331000
1973-07-01	5.71824229806722000
1973-10-01	6.81170956868778000
1974-01-01	7.69061165523927000
1974-04-01	6.09402935151264000
1974-07-01	4.75678429331435000
1974-10-01	3.59841083428379000
1975-01-01	2.56377777256621000
1975-04-01	2.35424096727109000
1975-07-01	2.15798637115635000
1975-10-01	1.97329807986148000
1976-01-01	1.79870137550606000
1976-04-01	1.83731709947427000
1976-07-01	1.87329593635799000
1976-10-01	1.90670506388388000
1977-01-01	1.93761653308817000
1977-04-01	1.68156783938299000
1977-07-01	1.43816547523218000
1977-10-01	1.20523875791577000
1978-01-01	0.98088005204855400
1978-04-01	0.64482429918545300
1978-07-01	0.31625714129529000
1978-10-01	-0.00815288864322461
1979-01-01	-0.33159301685169400
1979-04-01	-0.04761373721143680
1979-07-01	0.23758176460297700
1979-10-01	0.52156091112332500
1980-01-01	0.18164467285784600
1980-04-01	0.59315153619474300
1980-07-01	0.58872657185543500
1980-10-01	0.67003119301150400
1981-01-01	0.86617431981883900
1981-04-01	0.96324993713240300
1981-07-01	0.99168323521811200
1981-10-01	0.87614659923669300
1982-01-01	0.63457285419615300
1982-04-01	0.56689865161323400
1982-07-01	0.51039199967896000
1982-10-01	0.44335019200385800
1983-01-01	0.39531060469827200
1983-04-01	0.19278199845519900
1983-07-01	0.03866298919898140
1983-10-01	0.08375680778383860
1984-01-01	0.16304875093255800
1984-04-01	0.11532014581456100
1984-07-01	0.04598413171305330
1984-10-01	-0.15266624025809600
1985-01-01	-0.54801914694956900
1985-04-01	-0.55547224687574700
1985-07-01	-0.18145989753416300
1985-10-01	0.12382265487433300
1986-01-01	0.28124749864624500
1986-04-01	0.30585749233352000
1986-07-01	0.24381582816287100
1986-10-01	0.08274104273738380
1987-01-01	-0.17498908400593400
1987-04-01	-0.49553527035565800
1987-07-01	-0.66525622217412300
1987-10-01	-0.52286489381289400
1988-01-01	-0.16379134141306400
1988-04-01	0.11849064845484800
1988-07-01	0.15755668488521400
1988-10-01	0.13069345498138900
1989-01-01	0.38344928483084200
1989-04-01	0.64029170158570200
1989-07-01	0.29504588456129300
1989-10-01	-0.12965838018788500
1990-01-01	-0.24591304343876300
1990-04-01	-0.23893246096474600
1990-07-01	0.16948421918050700
1990-10-01	0.75078015214410700
1991-01-01	0.91131876955509100
1991-04-01	0.82071518489656100
1991-07-01	0.69727372624714700
1991-10-01	0.46582696585429100
1992-01-01	0.27440685807679400
1992-04-01	0.31626276334185700
1992-07-01	0.45294182731173100
1992-10-01	0.35830581179093600
1993-01-01	0.22209679092332000
1993-04-01	0.35652535328778500
1993-07-01	0.22908834052480400
1993-10-01	-0.03163557291800600
1994-01-01	0.14727606718802500
1994-04-01	0.06217823769896520
1994-07-01	-0.16206747983065600
1994-10-01	0.00416029081327854
1995-01-01	-0.02844638085127920
1995-04-01	-0.16851135890719900
1995-07-01	-0.14010856131256600
1995-10-01	-0.26586138993314400
1996-01-01	-0.48363805553359300
1996-04-01	-0.44514611518236400
1996-07-01	-0.22764833024163200
1996-10-01	-0.05171984301156350
1997-01-01	0.19301196616509700
1997-04-01	0.41580192866956500
1997-07-01	0.39444633358718400
1997-10-01	0.30642418146310500
1998-01-01	0.16297637803601300
1998-04-01	-0.20259040329123300
1998-07-01	-0.52674459816179400
1998-10-01	-0.59059910055815600
1999-01-01	-0.63504198288229900
1999-04-01	-0.72804453716565700
1999-07-01	-0.72336839045684400
1999-10-01	-0.69290685331848400
2000-01-01	-0.64006329634360600
2000-04-01	-0.48824890458661100
2000-07-01	-0.28582618818359400
2000-10-01	-0.22929886510259900
2001-01-01	-0.31460156717099300
2001-04-01	-0.36132177974648400
2001-07-01	-0.51887912904899000
2001-10-01	-0.78244293825238200
2002-01-01	-1.02377114547859000
2002-04-01	-1.21776175145184000
2002-07-01	-1.12415017801669000
2002-10-01	-0.78636900157671000
2003-01-01	-0.65919742382804100
2003-04-01	-0.92249396599642000
2003-07-01	-1.10682516200681000
2003-10-01	-0.96031528986551400
2004-01-01	-0.70474978354531900
2004-04-01	-0.51799617123592200
2004-07-01	-0.45839684851485000
2004-10-01	-0.50168796220038800
2005-01-01	-0.62663573720655500
2005-04-01	-0.55997527215860000
2005-07-01	-0.29500565465397900
2005-10-01	-0.20392681144239500
2006-01-01	-0.19463451645192700
2006-04-01	-0.06935800686707260
2006-07-01	-0.14378197948816900
2006-10-01	-0.54475445442937100
2007-01-01	-0.75772959291292400
2007-04-01	-0.52430071067542300
2007-07-01	-0.27485914326357200
2007-10-01	-0.22848148709614200
2008-01-01	-0.08436552174945030
2008-04-01	0.23065893938701300
2008-07-01	0.36041691738611000
2008-10-01	0.36708482121692000
2009-01-01	0.42067160502339800
2009-04-01	0.35594751791431200
2009-07-01	0.19572747979818100
2009-10-01	-0.03916192704311940
2010-01-01	-0.26593285441780100
2010-04-01	-0.30753071261254200
2010-07-01	-0.11010584798072100
2010-10-01	0.28613378307072000
2011-01-01	0.52227978268076600
2011-04-01	0.24505979975976400
2011-07-01	-0.07558034843916060