Quarter	Percent Change
1970-04-01	1.253256037754940000
1970-07-01	2.475488083869500000
1970-10-01	3.623531920103060000
1971-01-01	4.662431243210860000
1971-04-01	3.155136766558020000
1971-07-01	1.798787028879230000
1971-10-01	0.529418230280610000
1972-01-01	-0.704436631862527000
1972-04-01	-0.113253371122636000
1972-07-01	0.483474865242672000
1972-10-01	1.075133510007140000
1973-01-01	1.651364108203980000
1973-04-01	2.269359957763320000
1973-07-01	2.849517201786150000
1973-10-01	3.383614751749790000
1974-01-01	3.865854527885860000
1974-04-01	5.565602175371650000
1974-07-01	7.018607774410530000
1974-10-01	8.190203420510670000
1975-01-01	9.078549194695110000
1975-04-01	6.267927143346300000
1975-07-01	3.964420810333730000
1975-10-01	1.953179075895210000
1976-01-01	0.091326749011448100
1976-04-01	1.390212337493000000
1976-07-01	2.652308535139260000
1976-10-01	3.831834560205430000
1977-01-01	4.892420942473620000
1977-04-01	3.956483528022280000
1977-07-01	3.125095844893700000
1977-10-01	2.370216570434510000
1978-01-01	1.670446821446890000
1978-04-01	2.068465219777090000
1978-07-01	2.443388441954030000
1978-10-01	2.792010458885630000
1979-01-01	3.112021982222770000
1979-04-01	2.865336200768270000
1979-07-01	2.637015023048160000
1979-10-01	2.424572005968480000
1980-01-01	2.225912005236840000
1980-04-01	3.095113595789710000
1980-07-01	3.892311705351370000
1980-10-01	4.603257930710480000
1981-01-01	5.219750519132610000
1981-04-01	4.554829404468210000
1981-07-01	5.309396671793960000
1981-10-01	4.873182792653590000
1982-01-01	3.466865749558810000
1982-04-01	3.202437384699570000
1982-07-01	3.751623520606720000
1982-10-01	2.966592189579360000
1983-01-01	2.547371539221010000
1983-04-01	3.354734042000670000
1983-07-01	2.848157429763070000
1983-10-01	2.189055124083100000
1984-01-01	2.017650547052140000
1984-04-01	0.975623930272373000
1984-07-01	0.144561381306651000
1984-10-01	0.733470139314176000
1985-01-01	2.132694991418440000
1985-04-01	2.465336003708890000
1985-07-01	2.717573714156280000
1985-10-01	2.614546686773660000
1986-01-01	1.043564156165180000
1986-04-01	-0.001747370948546290
1986-07-01	0.106874570940569000
1986-10-01	1.355231183089590000
1987-01-01	1.968812404527270000
1987-04-01	0.983414024434234000
1987-07-01	0.319220093086342000
1987-10-01	-0.183149678511417000
1988-01-01	-0.260042574270421000
1988-04-01	1.306075054091970000
1988-07-01	2.132611588841810000
1988-10-01	1.433545029449850000
1989-01-01	1.270271941875910000
1989-04-01	1.499059172679810000
1989-07-01	1.562718019887100000
1989-10-01	1.831665177348780000
1990-01-01	2.378897490232400000
1990-04-01	1.937014329983250000
1990-07-01	1.587700709527120000
1990-10-01	2.436954109511900000
1991-01-01	2.775043679318220000
1991-04-01	2.019528264539200000
1991-07-01	1.036930876936700000
1991-10-01	0.666250840394137000
1992-01-01	0.514362028845748000
1992-04-01	0.299980636321605000
1992-07-01	0.417868379818551000
1992-10-01	0.745232412238052000
1993-01-01	0.737560742165803000
1993-04-01	0.885536143919972000
1993-07-01	0.968898063562004000
1993-10-01	-0.565222267185391000
1994-01-01	-1.909042891069210000
1994-04-01	-1.171916062521920000
1994-07-01	-0.275585964784490000
1994-10-01	-0.260660477986292000
1995-01-01	0.327296723600894000
1995-04-01	1.064224174410670000
1995-07-01	0.828049071824756000
1995-10-01	0.733141694890444000
1996-01-01	1.523143240362640000
1996-04-01	1.579665439351230000
1996-07-01	0.443437729604257000
1996-10-01	0.864322412155083000
1997-01-01	1.410492563648040000
1997-04-01	-0.048373129033118900
1997-07-01	-0.784702801322778000
1997-10-01	-0.550666350614585000
1998-01-01	-0.338023081722694000
1998-04-01	0.017935117834331500
1998-07-01	0.635011547146864000
1998-10-01	0.843768838953262000
1999-01-01	0.113440856281990000
1999-04-01	-0.110585623912020000
1999-07-01	0.124940604265871000
1999-10-01	-0.475131636276949000
2000-01-01	-1.339919708096450000
2000-04-01	-0.725283111365228000
2000-07-01	0.545295039549261000
2000-10-01	1.002771628306720000
2001-01-01	0.742836886587030000
2001-04-01	0.609316982843852000
2001-07-01	0.908887683306884000
2001-10-01	0.636167995880242000
2002-01-01	0.872909348366190000
2002-04-01	0.970412677930176000
2002-07-01	0.558030478411985000
2002-10-01	1.340569782543790000
2003-01-01	2.293673903931670000
2003-04-01	2.110047883857920000
2003-07-01	0.564496785120567000
2003-10-01	-0.433653786474189000
2004-01-01	0.293632304558372000
2004-04-01	0.556966833846295000
2004-07-01	0.329797006000098000
2004-10-01	0.647197188964267000
2005-01-01	0.269797619713229000
2005-04-01	-0.111485496074041000
2005-07-01	0.710439611287569000
2005-10-01	0.865945792057419000
2006-01-01	-0.110622541426659000
2006-04-01	-0.000183564108605717
2006-07-01	0.154152802868754000
2006-10-01	-0.082543828509666100
2007-01-01	0.919523034024574000
2007-04-01	1.304135950912680000
2007-07-01	0.435610484294211000
2007-10-01	0.241674968585195000
2008-01-01	0.996512582166464000
2008-04-01	2.354660802263320000
2008-07-01	3.640650140033670000
2008-10-01	2.797717099089990000
2009-01-01	0.972600719839780000
2009-04-01	-0.321413012938379000
2009-07-01	-1.109385886681450000
2009-10-01	-0.768532351320964000
2010-01-01	-0.480425826627800000
2010-04-01	-0.130370009353925000
2010-07-01	0.977700914477579000
2010-10-01	2.472245840117480000
2011-01-01	2.976606408124290000