Quarter	Percent Change
1969-04-01	0.66975876404174800
1969-07-01	1.33060567992738000
1969-10-01	1.96969955355002000
1970-01-01	2.57553579668598000
1970-04-01	2.60494825623720000
1970-07-01	2.63050572457634000
1970-10-01	2.65242573007734000
1971-01-01	2.67092359118129000
1971-04-01	2.32073448448754000
1971-07-01	1.99375805088546000
1971-10-01	1.68580725746240000
1972-01-01	1.39334108977903000
1972-04-01	1.70728861862474000
1972-07-01	2.00613287719158000
1972-10-01	2.28774108624672000
1973-01-01	2.55045563705854000
1973-04-01	2.60667393007724000
1973-07-01	2.65706178314823000
1973-10-01	2.70188030053827000
1974-01-01	2.74140188931234000
1974-04-01	3.10721117825950000
1974-07-01	3.43930167530356000
1974-10-01	3.73652007536810000
1975-01-01	3.99868183495136000
1975-04-01	3.02380800211137000
1975-07-01	2.13803094053404000
1975-10-01	1.31293344151237000
1976-01-01	0.52568888693478300
1976-04-01	0.89900200411872500
1976-07-01	1.26370343874045000
1976-10-01	1.61599352634579000
1977-01-01	1.95250150823248000
1977-04-01	1.58412080129321000
1977-07-01	1.23359102179492000
1977-10-01	0.89670269094437400
1978-01-01	0.56973751142034800
1978-04-01	0.98196430611745700
1978-07-01	1.38382998819009000
1978-10-01	1.77074039185148000
1979-01-01	2.13866903437776000
1979-04-01	1.24154653857340000
1979-07-01	0.38443249149346200
1979-10-01	-0.45570433178019600
1980-01-01	-1.30029444374043000
1980-04-01	-0.75819398326800300
1980-07-01	-0.20048318671798700
1980-10-01	0.36374938037196300
1981-01-01	0.92501993569007900
1981-04-01	1.07722249142409000
1981-07-01	1.22471037093170000
1981-10-01	1.36693763680264000
1982-01-01	1.50343162534999000
1982-04-01	1.06781027164322000
1982-07-01	0.64754265537210100
1982-10-01	0.23702195484979900
1983-01-01	-0.16893221537303700
1983-04-01	-0.29958898837758500
1983-07-01	-0.43125190779851000
1983-10-01	-0.56444876354364900
1984-01-01	-0.69972739839261300
1984-04-01	-0.27247247972513400
1984-07-01	0.16014951556275100
1984-10-01	0.59256693103967100
1985-01-01	1.01920098093152000
1985-04-01	0.90853174307136500
1985-07-01	0.80086928367244900
1985-10-01	0.69581421656274500
1986-01-01	0.59299598294386700
1986-04-01	0.32221658272710600
1986-07-01	0.05475648732543760
1986-10-01	-0.21155289479380200
1987-01-01	-0.47884529539897700
1987-04-01	0.13938939669179500
1987-07-01	0.13953053797623100
1987-10-01	0.16098445432068300
1988-01-01	0.09480833765164040
1988-04-01	-0.09028446371280160
1988-07-01	-0.24299235982178500
1988-10-01	-0.31565119694421800
1989-01-01	-0.26801022368389200
1989-04-01	-0.06614683311201710
1989-07-01	0.14346346385370200
1989-10-01	0.24245470853534400
1990-01-01	0.36463706157355000
1990-04-01	0.60079672648965400
1990-07-01	0.81102963178108500
1990-10-01	0.98390155011875900
1991-01-01	1.05392033021730000
1991-04-01	0.97085552868527200
1991-07-01	0.96270635739743700
1991-10-01	1.04865460771085000
1992-01-01	1.17191744983205000
1992-04-01	1.29499625820793000
1992-07-01	1.20765349465281000
1992-10-01	0.94353651323108300
1993-01-01	0.63074916746779700
1993-04-01	0.31073221220244200
1993-07-01	0.16984139321232000
1993-10-01	0.18792668035657400
1994-01-01	0.20794623987590800
1994-04-01	0.20112074806138300
1994-07-01	0.13172444740600300
1994-10-01	0.04730136153020390
1995-01-01	0.10758755834288100
1995-04-01	0.35147675100249100
1995-07-01	0.54449756696519000
1995-10-01	0.57267579593166200
1996-01-01	0.43887846634554800
1996-04-01	0.14134869755630000
1996-07-01	-0.10352504759283900
1996-10-01	-0.21670280820883200
1997-01-01	-0.25972402980732400
1997-04-01	-0.19526497024513600
1997-07-01	-0.02623513297133880
1997-10-01	0.20426770199994700
1998-01-01	0.42590274079262600
1998-04-01	0.55573844000969400
1998-07-01	0.57828447043776800
1998-10-01	0.47789950545968300
1999-01-01	0.34088758486275200
1999-04-01	0.31067680243019800
1999-07-01	0.36955394697086700
1999-10-01	0.53211137168338300
2000-01-01	0.74334736141397800
2000-04-01	0.86269864495690300
2000-07-01	0.93789220418939900
2000-10-01	1.03344486467973000
2001-01-01	1.16978954291593000
2001-04-01	1.33505583387303000
2001-07-01	1.40346525633640000
2001-10-01	1.32851366350188000
2002-01-01	1.08536100225106000
2002-04-01	0.67874787433208600
2002-07-01	0.34889586217446800
2002-10-01	0.16886718221737100
2003-01-01	0.09445367177690310
2003-04-01	0.13870512195686600
2003-07-01	0.13466524792997200
2003-10-01	0.04020256717418760
2004-01-01	-0.05591447479233140
2004-04-01	-0.15809747304626500
2004-07-01	-0.24317831661079900
2004-10-01	-0.26210381042166600
2005-01-01	-0.18555025118231200
2005-04-01	-0.03406468798943580
2005-07-01	0.09374976154075980
2005-10-01	0.15722391583598600
2006-01-01	0.20804796546444000
2006-04-01	0.18896018550329600
2006-07-01	0.13024541905347300
2006-10-01	0.19824201133931700
2007-01-01	0.32873793770399000
2007-04-01	0.44151997879238500
2007-07-01	0.57810765494180400
2007-10-01	0.61569904213338000
2008-01-01	0.48344110125236900
2008-04-01	0.41973484048175400
2008-07-01	0.49227849179655400
2008-10-01	0.45775408299935300
2009-01-01	0.31579794392370600
2009-04-01	0.17316284245141700
2009-07-01	-0.00272094596851293
2009-10-01	-0.11148908418871500
2010-01-01	-0.09445234782923410
2010-04-01	-0.06499080161639740
2010-07-01	-0.06703933792224740
2010-10-01	-0.03565237441541090
2011-01-01	0.01679407662643170