Quarter	Percent Change
1970-04-01	0.315123452997799000
1970-07-01	0.628267089050521000
1970-10-01	0.936516806695890000
1971-01-01	1.237103394389860000
1971-04-01	1.392605062413080000
1971-07-01	1.541753507150570000
1971-10-01	1.684064944849210000
1972-01-01	1.819149767277710000
1972-04-01	1.665519060429940000
1972-07-01	1.519089469594720000
1972-10-01	1.378996708364860000
1973-01-01	1.244473755770260000
1973-04-01	1.667702226955310000
1973-07-01	2.071678133048630000
1973-10-01	2.452208230884920000
1974-01-01	2.805977303178710000
1974-04-01	3.576998236059630000
1974-07-01	4.271802918494140000
1974-10-01	4.881605545459570000
1975-01-01	5.402677740524820000
1975-04-01	4.173209825814290000
1975-07-01	3.091648651614760000
1975-10-01	2.111972755933150000
1976-01-01	1.199676416542410000
1976-04-01	1.595488077773410000
1976-07-01	1.974025986330110000
1976-10-01	2.331593661180430000
1977-01-01	2.665232460029070000
1977-04-01	2.612813330640080000
1977-07-01	2.562628087565180000
1977-10-01	2.514534299573800000
1978-01-01	2.468401534007160000
1978-04-01	2.358096143235500000
1978-07-01	2.254099239201820000
1978-10-01	2.155832838534330000
1979-01-01	2.062785824854740000
1979-04-01	2.237082872960760000
1979-07-01	2.399394322995670000
1979-10-01	2.549483974714470000
1980-01-01	2.687283668570930000
1980-04-01	2.769273244619490000
1980-07-01	2.842861339705850000
1980-10-01	2.908390167358830000
1981-01-01	2.966233896044620000
1981-04-01	2.807851338838270000
1981-07-01	2.660224385852690000
1981-10-01	2.522188619677910000
1982-01-01	2.392737618137970000
1982-04-01	2.431065477488550000
1982-07-01	2.465372598976720000
1982-10-01	2.495845906787860000
1983-01-01	2.522675331328180000
1983-04-01	1.848054510414690000
1983-07-01	1.213088154340050000
1983-10-01	0.604324153867312000
1984-01-01	0.010038937995563400
1984-04-01	0.743885330477856000
1984-07-01	1.466821286634810000
1984-10-01	2.163515124089620000
1985-01-01	2.820393925498020000
1985-04-01	1.908035835193360000
1985-07-01	1.052951288197370000
1985-10-01	0.231157153731892000
1986-01-01	-0.578328593627380000
1986-04-01	-0.175216494113930000
1986-07-01	0.231665594782864000
1986-10-01	0.637378665808702000
1987-01-01	1.037017457824550000
1987-04-01	0.817018644711634000
1987-07-01	0.602739038302753000
1987-10-01	0.392713482698013000
1988-01-01	0.185570344835594000
1988-04-01	0.048934722220419700
1988-07-01	-0.087314447636432100
1988-10-01	-0.223735025496856000
1989-01-01	-0.360886739291947000
1989-04-01	-0.162834137441251000
1989-07-01	0.036585147089204800
1989-10-01	0.236183605521548000
1990-01-01	0.434768591653293000
1990-04-01	0.608915062278288000
1990-07-01	0.557288931417087000
1990-10-01	0.092777306062557800
1991-01-01	-0.038654800441180800
1991-04-01	0.077207097596954600
1991-07-01	0.294038517419947000
1991-10-01	0.501708699393346000
1992-01-01	0.757999852749480000
1992-04-01	1.148186480627360000
1992-07-01	0.916937640660991000
1992-10-01	0.660257691572300000
1993-01-01	0.563600165490755000
1993-04-01	-0.300203244087635000
1993-07-01	-0.697732891729553000
1993-10-01	-0.459554431089214000
1994-01-01	-0.633955068282329000
1994-04-01	-0.637344988418110000
1994-07-01	-0.526255825824890000
1994-10-01	-0.722027114743160000
1995-01-01	-0.523536146507683000
1995-04-01	0.179295808439976000
1995-07-01	0.430709422947295000
1995-10-01	0.244836676273008000
1996-01-01	0.415092631441502000
1996-04-01	0.163577248706767000
1996-07-01	-0.638480889149662000
1996-10-01	-1.049059388953660000
1997-01-01	-1.388246649517670000
1997-04-01	-1.369951157688130000
1997-07-01	-0.766399863489376000
1997-10-01	-0.540239848725720000
1998-01-01	-0.642806957853612000
1998-04-01	-0.724574441857443000
1998-07-01	-0.552571237411778000
1998-10-01	0.018173916908208200
1999-01-01	0.129166558032871000
1999-04-01	-0.340337915618482000
1999-07-01	-0.317484425895451000
1999-10-01	0.266292906160559000
2000-01-01	0.498065503973581000
2000-04-01	0.598533026799814000
2000-07-01	0.562685836934354000
2000-10-01	-0.162284358306298000
2001-01-01	-0.347415209635009000
2001-04-01	0.540459290152637000
2001-07-01	1.085639938202440000
2001-10-01	0.854114130812128000
2002-01-01	0.603809975469305000
2002-04-01	0.513187371309770000
2002-07-01	0.507102868562430000
2002-10-01	0.760845855837398000
2003-01-01	1.020527689161440000
2003-04-01	0.783261964445079000
2003-07-01	0.451723379385984000
2003-10-01	0.516123851076390000
2004-01-01	0.588267812847206000
2004-04-01	0.555441731615800000
2004-07-01	0.420135968913975000
2004-10-01	0.537907080043061000
2005-01-01	0.495335202017844000
2005-04-01	0.155503100925793000
2005-07-01	0.231171959061765000
2005-10-01	0.159165762038394000
2006-01-01	0.000621885324688105
2006-04-01	0.126532291635494000
2006-07-01	0.072415794085425400
2006-10-01	-0.348759871664168000
2007-01-01	-0.353702181979897000
2007-04-01	-0.038971620229927700
2007-07-01	-0.065740097151262100
2007-10-01	0.077999305722374400
2008-01-01	0.481341020708944000
2008-04-01	0.982762855923477000
2008-07-01	1.778643524605600000
2008-10-01	2.261876364690860000
2009-01-01	1.659374644059110000
2009-04-01	0.616263367580506000
2009-07-01	-0.259298261678147000
2009-10-01	-0.846709327227654000
2010-01-01	-0.733587936682280000
2010-04-01	-0.482786703959035000
2010-07-01	-0.380356751714880000
2010-10-01	-0.116907825221835000
2011-01-01	-0.063052171954860400