Quarter	Percent Change
1970-04-01	1.94722867425770000
1970-07-01	2.06833581128938000
1970-10-01	2.49458578971499000
1971-01-01	2.46704109753852000
1971-04-01	1.93896481721199000
1971-07-01	1.70626374734682000
1971-10-01	1.49854307966187000
1972-01-01	1.47978387906954000
1972-04-01	1.59423558194197000
1972-07-01	1.33687370160653000
1972-10-01	1.52690649026034000
1973-01-01	1.89559987848247000
1973-04-01	1.92491693507176000
1973-07-01	2.11483802964585000
1973-10-01	1.99401293621263000
1974-01-01	1.99471904630386000
1974-04-01	2.47854732382338000
1974-07-01	2.56661597655065000
1974-10-01	2.35977599279269000
1975-01-01	1.80245442451070000
1975-04-01	0.87615388034145400
1975-07-01	0.24046082933538900
1975-10-01	0.20234300801421000
1976-01-01	0.38237265801179800
1976-04-01	0.68253914875911800
1976-07-01	1.06888200495108000
1976-10-01	0.92544017897427600
1977-01-01	0.72266401031379900
1977-04-01	0.85926656723795600
1977-07-01	0.91375912110706700
1977-10-01	0.90373895942311200
1978-01-01	0.89955428289531400
1978-04-01	0.88912743508879500
1978-07-01	0.87751644035482500
1978-10-01	1.14123242525211000
1979-01-01	1.56919018605322000
1979-04-01	1.62947251437852000
1979-07-01	1.48754492869746000
1979-10-01	1.38212925346406000
1980-01-01	1.50434865051916000
1980-04-01	1.68283787840386000
1980-07-01	1.71881702837199000
1980-10-01	1.47081687331989000
1981-01-01	0.93339488696286200
1981-04-01	0.74662665830087600
1981-07-01	0.75099077803552200
1981-10-01	1.06591762385859000
1982-01-01	1.43388977962881000
1982-04-01	1.25141023630087000
1982-07-01	0.99353681773558600
1982-10-01	0.23600927236412700
1983-01-01	-0.36479562604400700
1983-04-01	0.08110817519797940
1983-07-01	0.19340701769804000
1983-10-01	0.13285933029859100
1984-01-01	0.31603460148084500
1984-04-01	0.16244910151118200
1984-07-01	0.17408651748249200
1984-10-01	0.12011687581335600
1985-01-01	0.04256858524984130
1985-04-01	0.20102742027314300
1985-07-01	0.44099209703104900
1985-10-01	0.87857563789751300
1986-01-01	0.96075106301631700
1986-04-01	0.82677325192822600
1986-07-01	0.84223130502067100
1986-10-01	1.01730900679940000
1987-01-01	0.99203460241665800
1987-04-01	0.47994434646575500
1987-07-01	0.24067243644238500
1987-10-01	0.14942007927209000
1988-01-01	0.07754280269532070
1988-04-01	0.09492238116585780
1988-07-01	-0.05841300874510280
1988-10-01	-0.09432300279627710
1989-01-01	-0.04081864569945290
1989-04-01	0.26122755588611200
1989-07-01	0.55414857111135900
1989-10-01	0.62946285346041500
1990-01-01	0.95696891941994600
1990-04-01	0.76586725200044700
1990-07-01	0.14836835206263500
1990-10-01	0.05099120168692710
1991-01-01	0.60563327343533100
1991-04-01	1.49881603221523000
1991-07-01	2.07627385272150000
1991-10-01	2.06436290583660000
1992-01-01	1.69228664137341000
1992-04-01	1.77039442131709000
1992-07-01	1.92666294749333000
1992-10-01	1.66210104526692000
1993-01-01	1.17756736323872000
1993-04-01	0.55031483238496900
1993-07-01	0.35405505710489800
1993-10-01	0.21899341757697200
1994-01-01	-0.10760507896524500
1994-04-01	-0.23703829122508100
1994-07-01	-0.13643624138238200
1994-10-01	0.18888789743937200
1995-01-01	0.60248450050534400
1995-04-01	0.92851823891287100
1995-07-01	0.89282927217178200
1995-10-01	0.56419395685193600
1996-01-01	0.11526173623007800
1996-04-01	-0.25151910573774400
1996-07-01	-0.31672219365631200
1996-10-01	-0.18613448587633800
1997-01-01	-0.38390167494353300
1997-04-01	-0.79915693850837000
1997-07-01	-0.62283761276083400
1997-10-01	-0.34314778078550200
1998-01-01	0.01099997775276210
1998-04-01	0.50026103550525600
1998-07-01	0.53125100892239400
1998-10-01	0.40272351891087500
1999-01-01	0.22982460232317500
1999-04-01	-0.08482647204667330
1999-07-01	-0.44814829034893300
1999-10-01	-0.37883500551907900
2000-01-01	0.04832707397441070
2000-04-01	0.26456330415135300
2000-07-01	0.38254040115385700
2000-10-01	0.18285609996116900
2001-01-01	-0.08492954243842040
2001-04-01	0.13861268123415200
2001-07-01	0.21912838736270100
2001-10-01	0.04403763490613790
2002-01-01	0.05672039827375160
2002-04-01	0.09135348681966920
2002-07-01	0.09043903570290870
2002-10-01	0.21715199254043700
2003-01-01	0.32984624296015800
2003-04-01	-0.00287058792235792
2003-07-01	-0.39312526782921800
2003-10-01	-0.37332974458905800
2004-01-01	-0.46166080089280400
2004-04-01	-0.43372010514905600
2004-07-01	-0.16828924751752500
2004-10-01	-0.10481018883614400
2005-01-01	-0.23919171409591900
2005-04-01	-0.49605530401896100
2005-07-01	-0.44941308692855400
2005-10-01	-0.40437759545492900
2006-01-01	-0.58685260032456900
2006-04-01	-0.51072135211296700
2006-07-01	-0.50061150271393600
2006-10-01	-0.51074508311782400
2007-01-01	-0.06556793593094870
2007-04-01	0.10423194641142300
2007-07-01	-0.04246750024036500
2007-10-01	0.21443809515272500
2008-01-01	0.44817385992187500
2008-04-01	0.88838955888760300
2008-07-01	1.37557673178196000
2008-10-01	1.09349563056678000
2009-01-01	0.86957617485227600
2009-04-01	0.79969043864222900
2009-07-01	0.52376700894650600
2009-10-01	0.44278112211257100
2010-01-01	0.19340075574126800
2010-04-01	-0.10986870619497000
2010-07-01	-0.10599950691806300
2010-10-01	0.00662452561292080
2011-01-01	0.15938194610849100