Quarter	Percent Change
1970-04-01	0.38783010327090900
1970-07-01	0.77266370707857900
1970-10-01	1.15010902433762000
1971-01-01	1.51604263698625000
1971-04-01	1.96340635431179000
1971-07-01	2.38655306691917000
1971-10-01	2.78113387721727000
1972-01-01	3.14390705577884000
1972-04-01	2.98231784054132000
1972-07-01	2.83209529112923000
1972-10-01	2.69199923246752000
1973-01-01	2.56096067266017000
1973-04-01	3.65644131374457000
1973-07-01	4.64599152595118000
1973-10-01	5.50859256305587000
1974-01-01	6.23405400300616000
1974-04-01	5.10274291362646000
1974-07-01	4.12668592748603000
1974-10-01	3.26368522617485000
1975-01-01	2.48318756754476000
1975-04-01	3.60202168561662000
1975-07-01	4.61479783456196000
1975-10-01	5.49903913428816000
1976-01-01	6.24351630866684000
1976-04-01	5.65796451095600000
1976-07-01	5.14804525292005000
1976-10-01	4.69919234911294000
1977-01-01	4.30030790244926000
1977-04-01	4.15427375434111000
1977-07-01	4.01859799518545000
1977-10-01	3.89220648134607000
1978-01-01	3.77416893626280000
1978-04-01	4.05788941785618000
1978-07-01	4.30421275952377000
1978-10-01	4.51446708302197000
1979-01-01	4.69058401385167000
1979-04-01	5.68822531143215000
1979-07-01	6.52487514904596000
1979-10-01	7.19800873438354000
1980-01-01	7.71544632803944000
1980-04-01	6.27734959574100000
1980-07-01	5.07341896984688000
1980-10-01	4.03552546302907000
1981-01-01	3.11681948169574000
1981-04-01	2.56812867223428000
1981-07-01	2.06072509369391000
1981-10-01	1.58496130243603000
1982-01-01	1.13285074953966000
1982-04-01	1.32538685711687000
1982-07-01	1.51059157453999000
1982-10-01	1.68763961576245000
1983-01-01	1.85584700441121000
1983-04-01	1.31813013696623000
1983-07-01	0.80363448218456300
1983-10-01	0.30384563004572300
1984-01-01	-0.18896227190452500
1984-04-01	-0.14232053090630700
1984-07-01	-0.09545693785129140
1984-10-01	-0.04843670439630910
1985-01-01	-0.00132594246213267
1985-04-01	0.25707397870090900
1985-07-01	0.51415212947985800
1985-10-01	0.76794108880145700
1986-01-01	1.01655351788124000
1986-04-01	0.76085427518262200
1986-07-01	0.51149313406884300
1986-10-01	0.26651405323092000
1987-01-01	0.02407376845716420
1987-04-01	1.29360314270075000
1987-07-01	2.53040487882061000
1987-10-01	3.69034631189088000
1988-01-01	4.73789237750081000
1988-04-01	3.37577094846374000
1988-07-01	2.15521622583491000
1988-10-01	1.02285375625717000
1989-01-01	-0.06339071741620900
1989-04-01	0.12407895527794200
1989-07-01	0.31120268563283900
1989-10-01	0.49693371001765200
1990-01-01	0.68024982482243500
1990-04-01	1.46449731283933000
1990-07-01	2.22081712676632000
1990-10-01	2.93313532793167000
1991-01-01	3.58844826921136000
1991-04-01	2.88334565834977000
1991-07-01	2.23802198864175000
1991-10-01	1.63687165162828000
1992-01-01	1.06724292506248000
1992-04-01	1.13730661840531000
1992-07-01	1.20493629005771000
1992-10-01	1.27005184512373000
1993-01-01	1.33258870077206000
1993-04-01	0.33315399180114900
1993-07-01	0.25928377183324100
1993-10-01	0.28021843650809200
1994-01-01	1.23988685905018000
1994-04-01	2.90373606426390000
1994-07-01	3.04967575902648000
1994-10-01	1.67333520092059000
1995-01-01	1.61956343985687000
1995-04-01	3.20852341708832000
1995-07-01	3.12197793330899000
1995-10-01	1.65793577889363000
1996-01-01	1.19254361620176000
1996-04-01	1.52221317740281000
1996-07-01	0.91902425678303700
1996-10-01	-0.84676065447691400
1997-01-01	-2.30910701080015000
1997-04-01	-2.04697494954249000
1997-07-01	-0.98732653891419100
1997-10-01	0.11798972624000200
1998-01-01	1.45805310265272000
1998-04-01	-0.92567948622616300
1998-07-01	-3.90707600464991000
1998-10-01	-3.20038072432302000
1999-01-01	-2.91835793430417000
1999-04-01	-3.31351689657008000
1999-07-01	-2.17299169858062000
1999-10-01	-1.38485105594446000
2000-01-01	-0.65769915570853800
2000-04-01	0.45873769777085700
2000-07-01	1.05518514508207000
2000-10-01	1.90895670934884000
2001-01-01	1.52688339454634000
2001-04-01	0.77973593752152400
2001-07-01	1.15195599723880000
2001-10-01	0.92821475292468300
2002-01-01	0.29966522315641200
2002-04-01	0.02541047275533320
2002-07-01	-0.33393956971128500
2002-10-01	-0.01950525193055750
2003-01-01	0.22349452052995200
2003-04-01	-0.60434204017205700
2003-07-01	-1.18623721325057000
2003-10-01	-0.71992994707463900
2004-01-01	0.34992448910689300
2004-04-01	1.67119205992366000
2004-07-01	3.04587355656624000
2004-10-01	2.46998664361555000
2005-01-01	0.82062621228643500
2005-04-01	0.08078303343563820
2005-07-01	-0.86295664685796500
2005-10-01	-1.34137749539753000
2006-01-01	-0.31260145053134400
2006-04-01	-0.05336952011691990
2006-07-01	0.07948900691078160
2006-10-01	0.83460043522737200
2007-01-01	-0.19101974042929800
2007-04-01	-0.51514224201989600
2007-07-01	-0.20822667866187900
2007-10-01	-1.46494147523989000
2008-01-01	-1.16838849826870000
2008-04-01	1.03650285894274000
2008-07-01	3.11070612072132000
2008-10-01	3.39799506405062000
2009-01-01	1.39608137048698000
2009-04-01	-1.74631101296267000
2009-07-01	-3.57688878056323000
2009-10-01	-1.20420575855522000
2010-01-01	0.80843990602486900
2010-04-01	0.23680675671166000
2010-07-01	-0.36997223131744900
2010-10-01	-1.42135747520891000
2011-01-01	-1.51720876769438000
2011-04-01	-0.76366864803562200
2011-07-01	-0.03539296964828550