Quarter	Percent Change
1970-10-01	0.48604058743429600
1971-01-01	0.96737931874503100
1971-04-01	1.43716613019804000
1971-07-01	1.88907244926021000
1971-10-01	1.36237373828780000
1972-01-01	0.85899669461447600
1972-04-01	0.37074606079212600
1972-07-01	-0.10978165208931000
1972-10-01	0.96439236555544000
1973-01-01	2.01921379439772000
1973-04-01	3.02222188824977000
1973-07-01	3.94594012788170000
1973-10-01	3.94671722852887000
1974-01-01	3.94171947412216000
1974-04-01	3.93160052286538000
1974-07-01	3.91696186444618000
1974-10-01	3.78059258275707000
1975-01-01	3.65373332081654000
1975-04-01	3.53542128494532000
1975-07-01	3.42481941176343000
1975-10-01	2.88198888238882000
1976-01-01	2.38386541596853000
1976-04-01	1.92068723321003000
1976-07-01	1.48450140078079000
1976-10-01	1.77676147010100000
1977-01-01	2.05423765908669000
1977-04-01	2.31517240723727000
1977-07-01	2.55822930118352000
1977-10-01	1.92059266997965000
1978-01-01	1.32139043026033000
1978-04-01	0.74848939088449000
1978-07-01	0.19138881102634200
1978-10-01	0.47638854816693200
1979-01-01	0.75814217984194400
1979-04-01	1.03431292278736000
1979-07-01	1.30271409882250000
1979-10-01	1.85421282501284000
1980-01-01	2.37836407516790000
1980-04-01	2.86805760781293000
1980-07-01	3.31784548224656000
1980-10-01	3.11990522940271000
1981-01-01	2.93688298999426000
1981-04-01	2.76699056371412000
1981-07-01	2.60870741678365000
1981-10-01	2.86665376867998000
1982-01-01	3.10199990550254000
1982-04-01	3.31441970216005000
1982-07-01	3.50403020105312000
1982-10-01	2.48458509663644000
1983-01-01	1.54536958767457000
1983-04-01	0.65624763195161800
1983-07-01	-0.20799112377855700
1983-10-01	1.30221434610032000
1984-01-01	1.45932588150168000
1984-04-01	0.98422880219053200
1984-07-01	0.53044478046583400
1984-10-01	0.10253392919102000
1985-01-01	-0.36458210131809700
1985-04-01	0.56614425976473400
1985-07-01	2.10099828827769000
1985-10-01	2.83966851931427000
1986-01-01	2.08316338800855000
1986-04-01	0.39010763431999100
1986-07-01	-0.05810921229206950
1986-10-01	-0.06113718353053880
1987-01-01	-0.21214804705159500
1987-04-01	0.19962420171914400
1987-07-01	0.29161654414040000
1987-10-01	0.68460252620016700
1988-01-01	1.38605897422438000
1988-04-01	0.88591700249028700
1988-07-01	0.16478247968636900
1988-10-01	1.16144302475147000
1989-01-01	2.49038211215872000
1989-04-01	2.75736425802982000
1989-07-01	2.93614902249973000
1989-10-01	1.68017866696116000
1990-01-01	0.51152568269318900
1990-04-01	1.24467604104778000
1990-07-01	1.28058169400201000
1990-10-01	0.39368279078008200
1991-01-01	-0.77156633149497000
1991-04-01	-1.37317723955537000
1991-07-01	0.25752376442766600
1991-10-01	2.20999460526156000
1992-01-01	2.13994778230555000
1992-04-01	1.35364398532647000
1992-07-01	0.42982237325974500
1992-10-01	-0.75660364615732100
1993-01-01	-1.03394546032906000
1993-04-01	-0.27929890518020200
1993-07-01	0.17049592289373400
1993-10-01	-0.53162308035501200
1994-01-01	-1.05209719302165000
1994-04-01	-0.41715185952036100
1994-07-01	0.98744702209445400
1994-10-01	2.62192879262593000
1995-01-01	3.03702133480127000
1995-04-01	2.17401221835821000
1995-07-01	1.09846506101684000
1995-10-01	0.29401671859206000
1996-01-01	0.63965014399078000
1996-04-01	0.69602942873370900
1996-07-01	-0.59790769723902800
1996-10-01	-0.74853047555322400
1997-01-01	0.15926411235662700
1997-04-01	0.62237936508442400
1997-07-01	0.63437137767904800
1997-10-01	0.01284693302462280
1998-01-01	-0.66832474602315100
1998-04-01	-0.49812766347798400
1998-07-01	0.05258009084948870
1998-10-01	0.38799846595943500
1999-01-01	0.73605777601640200
1999-04-01	0.65950823696983500
1999-07-01	0.25232283769541100
1999-10-01	-0.34183718246519100
2000-01-01	-0.36824895597278500
2000-04-01	0.35503236434770000
2000-07-01	0.72995175741287000
2000-10-01	1.23510775313356000
2001-01-01	0.99799792969025600
2001-04-01	-0.29966473636085100
2001-07-01	-0.90758109688830300
2001-10-01	-0.40758907387615600
2002-01-01	0.51493256204571000
2002-04-01	1.47014925928646000
2002-07-01	1.65514255509506000
2002-10-01	0.68307023485888200
2003-01-01	0.13628814195552400
2003-04-01	0.00036361992117337
2003-07-01	-0.30348906227809400
2003-10-01	-0.24378635400235500
2004-01-01	0.25289053638966100
2004-04-01	1.49702019189269000
2004-07-01	2.51111942904012000
2004-10-01	2.26901430306403000
2005-01-01	1.64520861971022000
2005-04-01	1.01819399929065000
2005-07-01	0.79582570737336900
2005-10-01	0.98680804906826900
2006-01-01	0.67779977026390600
2006-04-01	0.52567390548037500
2006-07-01	0.77661269222793200
2006-10-01	0.90987249931775800
2007-01-01	1.37406374817264000
2007-04-01	1.21893552447465000
2007-07-01	0.22742411514385500
2007-10-01	-0.22208211210405600
2008-01-01	0.14049022644730600
2008-04-01	1.01992592076991000
2008-07-01	1.33265816874625000
2008-10-01	1.25193174706318000
2009-01-01	1.10620051400973000
2009-04-01	0.25488677254674400
2009-07-01	-0.72961649805227800
2009-10-01	-1.18215657493350000
2010-01-01	-0.25982212841131900
2010-04-01	0.99212372173874400
2010-07-01	1.56553831673280000
2010-10-01	2.29410931947405000
2011-01-01	1.92334247344185000
2011-04-01	0.56258767051270700
2011-07-01	0.25250557623112100