Quarter	Percent Change
1970-04-01	0.37346256626218800
1970-07-01	0.74414596878349400
1970-10-01	1.10797403748841000
1971-01-01	1.46110995998451000
1971-04-01	1.51079607172856000
1971-07-01	1.55798508700827000
1971-10-01	1.60268988148003000
1972-01-01	1.64493221138525000
1972-04-01	1.54281447348688000
1972-07-01	1.44502279958149000
1972-10-01	1.35114784340817000
1973-01-01	1.26082085665354000
1973-04-01	1.87747393789911000
1973-07-01	2.46357284022510000
1973-10-01	3.01011485796486000
1974-01-01	3.51022766266841000
1974-04-01	3.90415247818723000
1974-07-01	4.25114458834399000
1974-10-01	4.55134902734994000
1975-01-01	4.80616112275959000
1975-04-01	4.07201334920394000
1975-07-01	3.41904084979848000
1975-10-01	2.82867985074475000
1976-01-01	2.28666997816078000
1976-04-01	2.13540703541845000
1976-07-01	1.99271128639271000
1976-10-01	1.85764430253417000
1977-01-01	1.72938462953097000
1977-04-01	1.99087905804108000
1977-07-01	2.23723218475352000
1977-10-01	2.46724950445897000
1978-01-01	2.68009892690089000
1978-04-01	2.58432936664307000
1978-07-01	2.49405954709661000
1978-10-01	2.40881746621356000
1979-01-01	2.32818336468840000
1979-04-01	2.44290488056004000
1979-07-01	2.54834389226570000
1979-10-01	2.64464303939975000
1980-01-01	2.73201687419263000
1980-04-01	2.76462609661520000
1980-07-01	2.79268230853501000
1980-10-01	2.81645915935606000
1981-01-01	2.83622672682942000
1981-04-01	2.86064157566456000
1981-07-01	2.88086831959163000
1981-10-01	2.89718780281200000
1982-01-01	2.90987279363063000
1982-04-01	2.79675515631813000
1982-07-01	2.69066556283694000
1982-10-01	2.59095245519311000
1983-01-01	2.49704205334104000
1983-04-01	1.98586105805433000
1983-07-01	1.50561382469823000
1983-10-01	1.04825251057583000
1984-01-01	0.60686223667348200
1984-04-01	1.03908877580829000
1984-07-01	1.45980725547968000
1984-10-01	1.86400091683905000
1985-01-01	2.24730850009863000
1985-04-01	1.64685216442278000
1985-07-01	1.07803608923554000
1985-10-01	0.53018622573498200
1986-01-01	-0.00613343595124439
1986-04-01	0.27064640488404800
1986-07-01	0.54594901651378400
1986-10-01	0.81751890934314000
1987-01-01	1.08319788760478000
1987-04-01	0.99762580525196200
1987-07-01	0.91453750578040000
1987-10-01	0.83367916149361900
1988-01-01	0.75481605137993600
1988-04-01	0.53974340474746300
1988-07-01	0.32855218245316800
1988-10-01	0.11986474492282300
1989-01-01	-0.08764172378263220
1989-04-01	0.42066314681592800
1989-07-01	0.92515311729318100
1989-10-01	1.41828392584680000
1990-01-01	1.89304660858520000
1990-04-01	1.68701967681223000
1990-07-01	1.39507845444887000
1990-10-01	0.71664212560464600
1991-01-01	0.45843884235864900
1991-04-01	0.43289374538022700
1991-07-01	0.29820621664665400
1991-10-01	0.39278577921109100
1992-01-01	0.64706356722984900
1992-04-01	0.93735712525382400
1992-07-01	0.89686985775595200
1992-10-01	0.61196747240809000
1993-01-01	0.41014147714738100
1993-04-01	-0.11930256412447000
1993-07-01	-0.43680003899972700
1993-10-01	-0.28625121604632700
1994-01-01	-0.34171681208773600
1994-04-01	-0.23247400120879200
1994-07-01	0.17313593902489800
1994-10-01	0.14634777986266600
1995-01-01	0.05693455283876050
1995-04-01	0.31119703223240000
1995-07-01	0.19971643018945100
1995-10-01	0.06261289294395170
1996-01-01	0.38564950137753900
1996-04-01	0.27316950649249000
1996-07-01	-0.30409214752793000
1996-10-01	-0.37708819037447500
1997-01-01	-0.33135817422578700
1997-04-01	-0.45031384568392600
1997-07-01	-0.14365361713225000
1997-10-01	0.10036015772915200
1998-01-01	0.10970753206162000
1998-04-01	0.20690740520122200
1998-07-01	0.31207359374233000
1998-10-01	0.42870082736224600
1999-01-01	0.44409942984028800
1999-04-01	0.25589475836316900
1999-07-01	0.17618439657289300
1999-10-01	0.33237541012036800
2000-01-01	0.44263953081734000
2000-04-01	0.72808299528005200
2000-07-01	1.08709969754175000
2000-10-01	0.84702128662878000
2001-01-01	0.53214474254072500
2001-04-01	0.83494262532950000
2001-07-01	1.07370387439157000
2001-10-01	0.92817372613670400
2002-01-01	0.68791953264077400
2002-04-01	0.43031522748906600
2002-07-01	0.34371670419854600
2002-10-01	0.38775579815627100
2003-01-01	0.52199942042366400
2003-04-01	0.45342249648231300
2003-07-01	0.14660860527721600
2003-10-01	0.25384333356856900
2004-01-01	0.54643640693341200
2004-04-01	0.55839500836157400
2004-07-01	0.33916125143553300
2004-10-01	0.32818965984783000
2005-01-01	0.45051094515650200
2005-04-01	0.43657144953961300
2005-07-01	0.62928187139365500
2005-10-01	0.59267560265956200
2006-01-01	0.32121485538491700
2006-04-01	0.40876050648869000
2006-07-01	0.61397663846200600
2006-10-01	0.39454095723446800
2007-01-01	0.03263976797637950
2007-04-01	0.03228047678191710
2007-07-01	0.23842624168032800
2007-10-01	0.55581923760923100
2008-01-01	0.83241062211561900
2008-04-01	0.90493676331073800
2008-07-01	0.86932608160549500
2008-10-01	0.79035640152289400
2009-01-01	0.53957662208327100
2009-04-01	0.22161535187912700
2009-07-01	-0.05642988854024380
2009-10-01	-0.13206248020747400
2010-01-01	0.20053096330095500
2010-04-01	0.34673892249184900
2010-07-01	0.35143531175279800
2010-10-01	0.41570718767145300
2011-01-01	0.25467267765450600