Quarter	Percent Change
1966-04-01	0.78655332642592000
1966-07-01	1.56083017415274000
1966-10-01	2.30526400504451000
1967-01-01	3.00442526759075000
1967-04-01	2.87290022771179000
1967-07-01	2.75000293341808000
1967-10-01	2.63487730275929000
1968-01-01	2.52677536955121000
1968-04-01	1.77013912288062000
1968-07-01	1.05706382851291000
1968-10-01	0.37085736936056300
1969-01-01	-0.30316780938098000
1969-04-01	1.06217790518544000
1969-07-01	2.40292221304305000
1969-10-01	3.66672169216067000
1970-01-01	4.81051841288757000
1970-04-01	3.93640805664363000
1970-07-01	3.15874649543912000
1970-10-01	2.45269502532898000
1971-01-01	1.79923521644533000
1971-04-01	1.92758183729313000
1971-07-01	2.04824695092828000
1971-10-01	2.16110053311572000
1972-01-01	2.26609258759681000
1972-04-01	2.02475052170126000
1972-07-01	1.79723283805748000
1972-10-01	1.58147491821136000
1973-01-01	1.37569090431316000
1973-04-01	2.38414953278743000
1973-07-01	3.33184038223697000
1973-10-01	4.19526967553212000
1974-01-01	4.95812434368995000
1974-04-01	5.13036818873525000
1974-07-01	5.26663156606817000
1974-10-01	5.37041706953297000
1975-01-01	5.44526588787867000
1975-04-01	3.73850783681549000
1975-07-01	2.22959357728333000
1975-10-01	0.83675073042226600
1976-01-01	-0.50325438227935400
1976-04-01	0.90624528821127000
1976-07-01	2.29746975892916000
1976-10-01	3.61380704841280000
1977-01-01	4.80799113516388000
1977-04-01	3.78007377565503000
1977-07-01	2.86444149972793000
1977-10-01	2.02839218875107000
1978-01-01	1.24681785261649000
1978-04-01	1.61665411842765000
1978-07-01	1.96999642381508000
1978-10-01	2.30367629213811000
1979-01-01	2.61517024033469000
1979-04-01	3.19579589720910000
1979-07-01	3.72405653681147000
1979-10-01	4.19505902167023000
1980-01-01	4.60652192423908000
1980-04-01	3.95720044078634000
1980-07-01	3.37709636171790000
1980-10-01	2.85133348755855000
1981-01-01	2.36836277599553000
1981-04-01	2.67970952440914000
1981-07-01	2.96636014605013000
1981-10-01	3.22721433226241000
1982-01-01	3.46180656353384000
1982-04-01	3.05643255048350000
1982-07-01	2.68482977293498000
1982-10-01	2.34102172494944000
1983-01-01	2.02012066370687000
1983-04-01	1.82173887612683000
1983-07-01	1.63359800886402000
1983-10-01	1.45429338959563000
1984-01-01	1.28259360179034000
1984-04-01	1.22656786230299000
1984-07-01	1.17240395744092000
1984-10-01	1.11997184821823000
1985-01-01	1.06915154843511000
1985-04-01	1.05248431559121000
1985-07-01	1.03622090822939000
1985-10-01	1.02034636061512000
1986-01-01	1.00484627367331000
1986-04-01	1.87885801431261000
1986-07-01	2.71191346034244000
1986-10-01	3.48510588025370000
1987-01-01	4.18408158266026000
1987-04-01	2.96775715690726000
1987-07-01	1.86414413890988000
1987-10-01	0.83058512090827100
1988-01-01	-0.16746856989862000
1988-04-01	0.92951345226926000
1988-07-01	1.26763089491780000
1988-10-01	1.44938198312450000
1989-01-01	1.38728564898146000
1989-04-01	0.79485569762833800
1989-07-01	-0.30354182875770800
1989-10-01	-0.65374767225115500
1990-01-01	-0.08049805733596310
1990-04-01	0.43408627100000800
1990-07-01	0.85337811713794000
1990-10-01	0.90645335323251600
1991-01-01	0.69439863169166400
1991-04-01	0.95302912475021400
1991-07-01	1.14795240887890000
1991-10-01	0.74625411371889200
1992-01-01	0.21382754837227400
1992-04-01	0.00116483524901196
1992-07-01	0.00631889224587142
1992-10-01	-0.09060643994131580
1993-01-01	-0.61288354546586300
1993-04-01	-0.99708218040604100
1993-07-01	-0.91458084985958900
1993-10-01	-0.60201823715994400
1994-01-01	0.08202851035512060
1994-04-01	0.59703392065670600
1994-07-01	0.90547579414481800
1994-10-01	1.27964534843706000
1995-01-01	1.56303142996538000
1995-04-01	1.84695252700306000
1995-07-01	1.89160548031340000
1995-10-01	1.60203352851532000
1996-01-01	1.03667406020205000
1996-04-01	0.32018153201217900
1996-07-01	-0.05805860205856080
1996-10-01	-0.17062341735899800
1997-01-01	-0.24480288443706700
1997-04-01	-0.02868493559512000
1997-07-01	0.56034606644345800
1997-10-01	1.22782887124722000
1998-01-01	1.83061829200961000
1998-04-01	2.33681042483794000
1998-07-01	2.28840144800236000
1998-10-01	1.88201185927640000
1999-01-01	1.61442386747664000
1999-04-01	1.36642699275195000
1999-07-01	1.11243394608490000
1999-10-01	0.91230064725382100
2000-01-01	0.66811794822525200
2000-04-01	0.43042352917854600
2000-07-01	0.69359057605379400
2000-10-01	1.52162464594686000
2001-01-01	2.33769440278211000
2001-04-01	2.53402642497419000
2001-07-01	1.95081594354764000
2001-10-01	1.47449152457817000
2002-01-01	1.49681358003110000
2002-04-01	1.46370091872727000
2002-07-01	1.50142787379105000
2002-10-01	1.40780065921332000
2003-01-01	0.85171893920370000
2003-04-01	0.24282066027567400
2003-07-01	-0.41785048070604100
2003-10-01	-0.86363925575137100
2004-01-01	-0.50906209689797600
2004-04-01	0.32210304190742200
2004-07-01	0.88460475780206200
2004-10-01	1.03379140966059000
2005-01-01	0.88643926983471200
2005-04-01	0.61378353751465500
2005-07-01	0.80710645299097800
2005-10-01	1.31022267142743000
2006-01-01	1.30464102703124000
2006-04-01	1.15973164153576000
2006-07-01	1.46429120530898000
2006-10-01	1.73344491451124000
2007-01-01	1.56466993192276000
2007-04-01	1.25307973972979000
2007-07-01	1.03487024743671000
2007-10-01	0.83011552043931000
2008-01-01	0.78970404530451900
2008-04-01	0.96265537203300600
2008-07-01	0.95989367486613600
2008-10-01	0.24301718000737100
2009-01-01	-0.76258563834353800
2009-04-01	-1.05842429372724000
2009-07-01	-1.01006520944141000
2009-10-01	-0.61981284957353800
2010-01-01	0.30955008339233500
2010-04-01	0.71570663835777400
2010-07-01	0.58416159081519700
2010-10-01	0.61138902817117400
2011-01-01	0.72340970021963800
2011-04-01	0.70686141643989800