Quarter	Percent Change
1970-04-01	1.53877958946984000
1970-07-01	3.03092012923181000
1970-10-01	4.41263651260552000
1971-01-01	5.63486918011195000
1971-04-01	3.50372711191651000
1971-07-01	1.61652646008550000
1971-10-01	-0.14964963945499800
1972-01-01	-1.89294253900305000
1972-04-01	0.04365970823975410
1972-07-01	2.01590550398823000
1972-10-01	3.90936121539039000
1973-01-01	5.62283577344960000
1973-04-01	5.82953060697281000
1973-07-01	5.98656838722481000
1973-10-01	6.09956633633673000
1974-01-01	6.17411666259705000
1974-04-01	4.71909133887881000
1974-07-01	3.45982405634077000
1974-10-01	2.33251831160814000
1975-01-01	1.29080501345723000
1975-04-01	3.37956185340148000
1975-07-01	5.30546667996660000
1975-10-01	6.97195719594180000
1976-01-01	8.32530912894012000
1976-04-01	5.97655809071146000
1976-07-01	4.02697182243150000
1976-10-01	2.32096938564563000
1977-01-01	0.75336896175551100
1977-04-01	1.46562877330572000
1977-07-01	2.15198173049413000
1977-10-01	2.79926545166322000
1978-01-01	3.39679833755894000
1978-04-01	4.34176473523741000
1978-07-01	5.17369325220306000
1978-10-01	5.88197182770993000
1979-01-01	6.46451328708666000
1979-04-01	6.72372075681753000
1979-07-01	6.91079045920729000
1979-10-01	7.03526977690036000
1980-01-01	7.10650574501137000
1980-04-01	5.49107650972325000
1980-07-01	4.12088237550293000
1980-10-01	2.91633395219709000
1981-01-01	1.82175288776411000
1981-04-01	1.95633072955216000
1981-07-01	2.08275703174591000
1981-10-01	2.20088223749103000
1982-01-01	2.31064658303066000
1982-04-01	2.41660316867632000
1982-07-01	2.51399165932283000
1982-10-01	2.60296354153379000
1983-01-01	2.68373056076962000
1983-04-01	1.69664738314635000
1983-07-01	0.76669771275875100
1983-10-01	-0.13391929052557000
1984-01-01	-1.03008226341590000
1984-04-01	-0.56167138383844000
1984-07-01	-0.08300561113165180
1984-10-01	0.39916405697440200
1985-01-01	0.87789844597540000
1985-04-01	0.99817812201825900
1985-07-01	1.11496839383674000
1985-10-01	1.22793272796295000
1986-01-01	1.33677680794934000
1986-04-01	0.95669908191875300
1986-07-01	0.58862400886421000
1986-10-01	0.22827127331272200
1987-01-01	-0.12834400071225400
1987-04-01	1.23046387567030000
1987-07-01	2.55796190633237000
1987-10-01	3.80313359134902000
1988-01-01	4.92480798552327000
1988-04-01	3.53140894421315000
1988-07-01	2.28835228211492000
1988-10-01	1.13967068174975000
1989-01-01	0.04170782574267650
1989-04-01	0.17367764781143900
1989-07-01	0.30513489211009100
1989-10-01	0.43556419435604200
1990-01-01	0.56446315262766600
1990-04-01	1.75214156246995000
1990-07-01	2.89231087926227000
1990-10-01	3.94845011390691000
1991-01-01	4.89270636286531000
1991-04-01	3.58677529493035000
1991-07-01	2.42218551412348000
1991-10-01	1.34911270855409000
1992-01-01	0.32888518900976100
1992-04-01	0.66340675863323300
1992-07-01	0.99242261474049100
1992-10-01	1.31278221565027000
1993-01-01	1.62160589409084000
1993-04-01	0.34669627546416600
1993-07-01	0.31348354705665000
1993-10-01	0.46648942101383000
1994-01-01	1.19015829759172000
1994-04-01	2.74940075987188000
1994-07-01	3.14572282473174000
1994-10-01	1.88416479240582000
1995-01-01	1.88744920144142000
1995-04-01	3.44484879305965000
1995-07-01	3.12902338986842000
1995-10-01	1.42402935413022000
1996-01-01	0.84631771052325900
1996-04-01	1.33226795841539000
1996-07-01	0.98911513334191300
1996-10-01	-0.74890119826504300
1997-01-01	-2.25235699882685000
1997-04-01	-1.90249743746642000
1997-07-01	-0.94086720443954900
1997-10-01	0.00691593981634547
1998-01-01	1.58184850771701000
1998-04-01	-0.79289987478163400
1998-07-01	-4.11779084872568000
1998-10-01	-3.48598089814025000
1999-01-01	-3.22452670082564000
1999-04-01	-3.54481810127669000
1999-07-01	-2.14369591768272000
1999-10-01	-1.41072356297130000
2000-01-01	-0.74961445815067200
2000-04-01	0.57213742335430800
2000-07-01	1.23894181730132000
2000-10-01	2.11097055065227000
2001-01-01	1.58398571136997000
2001-04-01	0.61192213181668400
2001-07-01	1.00585628803790000
2001-10-01	0.82708341172822600
2002-01-01	0.18485139585362200
2002-04-01	-0.07194429795993320
2002-07-01	-0.23919195503025100
2002-10-01	0.09213475017523010
2003-01-01	0.16073741811924800
2003-04-01	-0.71308769189537300
2003-07-01	-1.44088842150489000
2003-10-01	-0.96945473616809700
2004-01-01	0.34525146060664500
2004-04-01	1.72958850223788000
2004-07-01	3.00207876864348000
2004-10-01	2.40566619296715000
2005-01-01	0.89703400358180600
2005-04-01	0.17534997222248300
2005-07-01	-0.90773877580275100
2005-10-01	-1.48169917244636000
2006-01-01	-0.42465691220530700
2006-04-01	-0.02856686609597990
2006-07-01	0.02191936199870410
2006-10-01	0.53035773353311800
2007-01-01	-0.32885619248106900
2007-04-01	-0.23442410907045700
2007-07-01	-0.16565663480529800
2007-10-01	-1.91092611793904000
2008-01-01	-1.50624326661367000
2008-04-01	1.22371433205753000
2008-07-01	3.61839609776360000
2008-10-01	4.97153708886933000
2009-01-01	2.67206240304983000
2009-04-01	-3.13335411587793000
2009-07-01	-4.96726076967764000
2009-10-01	-1.49281974862139000
2010-01-01	0.59159761259439500
2010-04-01	0.69991057914587100
2010-07-01	0.08072728818903410
2010-10-01	-1.78001591446149000
2011-01-01	-1.89360104554216000
2011-04-01	-0.40768889323204400
2011-07-01	0.31302347431856300