Quarter	Percent Change
1970-04-01	0.63805614511343800
1970-07-01	1.26802176793120000
1970-10-01	1.87821637568053000
1971-01-01	2.45811980247734000
1971-04-01	2.04266583135047000
1971-07-01	1.65243223104894000
1971-10-01	1.28190545570404000
1972-01-01	0.92636531372580300
1972-04-01	1.95478520035183000
1972-07-01	2.93434765364003000
1972-10-01	3.83874727649711000
1973-01-01	4.64835759612560000
1973-04-01	4.16353010381781000
1973-07-01	3.72988269028011000
1973-10-01	3.33814678742313000
1974-01-01	2.98101829368384000
1974-04-01	4.53016021590381000
1974-07-01	5.89838802167905000
1974-10-01	7.04727007829850000
1975-01-01	7.96347600346656000
1975-04-01	6.22630273971226000
1975-07-01	4.77896885837059000
1975-10-01	3.52797982957653000
1976-01-01	2.40993746672855000
1976-04-01	3.25245883122507000
1976-07-01	4.02091301044566000
1976-10-01	4.70272713054160000
1977-01-01	5.29114125374213000
1977-04-01	4.46287733967862000
1977-07-01	3.73386844134115000
1977-10-01	3.08050139111374000
1978-01-01	2.48498375997579000
1978-04-01	2.64714552635813000
1978-07-01	2.79555891727097000
1978-10-01	2.93032010505680000
1979-01-01	3.05168339458738000
1979-04-01	3.83596352726435000
1979-07-01	4.53659152570510000
1979-10-01	5.14549953400523000
1980-01-01	5.66004501774723000
1980-04-01	5.39266883072583000
1980-07-01	5.15073064574788000
1980-10-01	4.93075149658469000
1981-01-01	4.72985952748510000
1981-04-01	3.98625926065928000
1981-07-01	3.93342508609637000
1981-10-01	4.16840310703597000
1982-01-01	4.57901475653307000
1982-04-01	4.59426283122242000
1982-07-01	4.42049144405249000
1982-10-01	4.40167697245421000
1983-01-01	4.21047285739379000
1983-04-01	3.72342448185008000
1983-07-01	2.98699830207709000
1983-10-01	2.37079752084449000
1984-01-01	2.24686103856480000
1984-04-01	2.41853309365889000
1984-07-01	2.44525504394911000
1984-10-01	2.33351786172779000
1985-01-01	2.02388701621890000
1985-04-01	1.42663686095487000
1985-07-01	1.14062411462262000
1985-10-01	1.35564373451898000
1986-01-01	1.52702745935389000
1986-04-01	1.40196272438996000
1986-07-01	1.09226960112690000
1986-10-01	0.93754538246377500
1987-01-01	1.15747348518824000
1987-04-01	1.54054072984134000
1987-07-01	1.71998393215330000
1987-10-01	1.44418337100743000
1988-01-01	1.01520330942288000
1988-04-01	0.97148844506141900
1988-07-01	1.16258550452339000
1988-10-01	1.34646302430669000
1989-01-01	1.54696932824031000
1989-04-01	1.72150421036421000
1989-07-01	1.99218113128312000
1989-10-01	2.03659132844819000
1990-01-01	1.79911763307936000
1990-04-01	1.82428395774775000
1990-07-01	1.77125956182446000
1990-10-01	1.68150600422672000
1991-01-01	1.94361960522585000
1991-04-01	1.93454305392896000
1991-07-01	1.83324363615738000
1991-10-01	1.93543581653083000
1992-01-01	1.72837114191328000
1992-04-01	1.44961585862831000
1992-07-01	1.18463169148083000
1992-10-01	0.37150822911163900
1993-01-01	-0.57154554097841600
1993-04-01	-0.77007779447633200
1993-07-01	-0.56962883793207400
1993-10-01	-0.43725129875672400
1994-01-01	0.03753183919105150
1994-04-01	0.41902767053804000
1994-07-01	0.12846105922253900
1994-10-01	0.14224843790313300
1995-01-01	0.43409741527730600
1995-04-01	0.25613498025756700
1995-07-01	0.41323037259746700
1995-10-01	1.02917661901572000
1996-01-01	1.33572870876820000
1996-04-01	1.32708120484043000
1996-07-01	1.16415774408169000
1996-10-01	0.84902443199029400
1997-01-01	0.42086855896142600
1997-04-01	0.00100529737170435
1997-07-01	-0.32021085541423500
1997-10-01	-0.51110928057766900
1998-01-01	-0.28791650117803500
1998-04-01	0.35207448965098600
1998-07-01	0.89981326801927100
1998-10-01	1.05452813287266000
1999-01-01	1.00340142322815000
1999-04-01	0.87709714267297900
1999-07-01	0.35304474318525700
1999-10-01	-0.29251341158632500
2000-01-01	-0.49584698198785800
2000-04-01	-0.48313213463632700
2000-07-01	-0.38683521915117200
2000-10-01	-0.00610401288657243
2001-01-01	0.43018228694601000
2001-04-01	0.83064906226086200
2001-07-01	1.32172969141313000
2001-10-01	1.59992757265533000
2002-01-01	1.18950891356934000
2002-04-01	0.35033613497977800
2002-07-01	0.05782465063710340
2002-10-01	0.45667570646926900
2003-01-01	1.10807399996825000
2003-04-01	1.59280190305734000
2003-07-01	1.40345563369331000
2003-10-01	0.56419749223438400
2004-01-01	-0.14769422826769900
2004-04-01	0.06205905422205840
2004-07-01	0.65437203931222900
2004-10-01	0.84472323622736800
2005-01-01	0.85933649392714400
2005-04-01	0.87490785140425200
2005-07-01	0.89033856771506500
2005-10-01	0.82746596357539400
2006-01-01	0.52352562200501400
2006-04-01	0.05746463048167530
2006-07-01	-0.23023344212483100
2006-10-01	0.15600449397213700
2007-01-01	0.93075963658503400
2007-04-01	1.11512617543723000
2007-07-01	0.88754877468483000
2007-10-01	0.90167982677305700
2008-01-01	0.75157905779637500
2008-04-01	0.54438788105714300
2008-07-01	0.58872296789763300
2008-10-01	0.58023753687046000
2009-01-01	0.81942691298752300
2009-04-01	1.02373959699444000
2009-07-01	0.76935707338013000
2009-10-01	0.41453013185385300
2010-01-01	-0.06119427938634100
2010-04-01	-0.44929205379793200
2010-07-01	-0.31821722435485500
2010-10-01	-0.18342134163085200
2011-01-01	-0.29900021413056700