Quarter	Percent Change
1970-04-01	0.48779451360995900
1970-07-01	0.97085316984453500
1970-10-01	1.44227740310391000
1971-01-01	1.89569529421451000
1971-04-01	1.72831038287931000
1971-07-01	1.56907501716813000
1971-10-01	1.41696933884657000
1972-01-01	1.27109237943367000
1972-04-01	1.38657028153259000
1972-07-01	1.49724192066354000
1972-10-01	1.60287728991950000
1973-01-01	1.70329760942548000
1973-04-01	2.71660956224921000
1973-07-01	3.65904579113720000
1973-10-01	4.50836666876760000
1974-01-01	5.25015166196216000
1974-04-01	4.82751336971226000
1974-07-01	4.45185247736881000
1974-10-01	4.11530101102097000
1975-01-01	3.81163223838767000
1975-04-01	3.89566170991609000
1975-07-01	3.96517235808869000
1975-10-01	4.02130287618912000
1976-01-01	4.06518918594326000
1976-04-01	3.02545828919420000
1976-07-01	2.08155281584990000
1976-10-01	1.20148389120705000
1977-01-01	0.35954016526834100
1977-04-01	1.09816644235497000
1977-07-01	1.81811480954827000
1977-10-01	2.50445795416644000
1978-01-01	3.14451324735354000
1978-04-01	3.00947403612759000
1978-07-01	2.88352122550756000
1978-10-01	2.76574088390612000
1979-01-01	2.65533744738889000
1979-04-01	2.74654809335846000
1979-07-01	2.82875008987048000
1979-10-01	2.90227282341246000
1980-01-01	2.96748798137290000
1980-04-01	2.90128540370744000
1980-07-01	2.83825883114830000
1980-10-01	2.77818155651908000
1981-01-01	2.72084797077821000
1981-04-01	2.99310221735478000
1981-07-01	3.24043611257130000
1981-10-01	3.46255135843578000
1982-01-01	3.65965757231930000
1982-04-01	3.32149780135825000
1982-07-01	3.01248110091165000
1982-10-01	2.72805902255961000
1983-01-01	2.46450044976973000
1983-04-01	2.21263185049052000
1983-07-01	1.97631148054000000
1983-10-01	1.75323926309735000
1984-01-01	1.54144296224046000
1984-04-01	1.51974622828151000
1984-07-01	1.49867321391217000
1984-10-01	1.47819738683504000
1985-01-01	1.45829369944362000
1985-04-01	1.29661174587330000
1985-07-01	1.14109478178061000
1985-10-01	0.99086786149461900
1986-01-01	0.84514081827590500
1986-04-01	0.93927693961328200
1986-07-01	1.03081365535405000
1986-10-01	1.11955022892036000
1987-01-01	1.20531006776006000
1987-04-01	1.29239247390410000
1987-07-01	1.37604565650289000
1987-10-01	1.45615124040576000
1988-01-01	1.53261755848780000
1988-04-01	1.20961849085916000
1988-07-01	0.89888099337494900
1988-10-01	0.59723195352148300
1989-01-01	0.30178847528009400
1989-04-01	1.20546082964362000
1989-07-01	2.08490848433441000
1989-10-01	2.91787926881026000
1990-01-01	3.68588117256845000
1990-04-01	2.97292001435482000
1990-07-01	2.48123916821142000
1990-10-01	1.66274822656765000
1991-01-01	1.07013655349602000
1991-04-01	0.69312031974752600
1991-07-01	0.37842482106994400
1991-10-01	0.39153784319108800
1992-01-01	0.53210412127357200
1992-04-01	0.68309529545543300
1992-07-01	0.76114760348288400
1992-10-01	0.56691305476036000
1993-01-01	0.31954767232191400
1993-04-01	0.03198342152498590
1993-07-01	-0.17446419760726800
1993-10-01	-0.05813890933354280
1994-01-01	0.14512024208164900
1994-04-01	0.44165318419083600
1994-07-01	0.84823900351797900
1994-10-01	0.89714853616698100
1995-01-01	0.68293028511387000
1995-04-01	0.50131290126231000
1995-07-01	0.20474174051224200
1995-10-01	0.03966956990491610
1996-01-01	0.17074318956660100
1996-04-01	0.24514611932040100
1996-07-01	0.21899080604008600
1996-10-01	0.41527476351703100
1997-01-01	0.60191781851831400
1997-04-01	0.58452740476948600
1997-07-01	0.72943402482006600
1997-10-01	0.88184220103148800
1998-01-01	0.93509067916946300
1998-04-01	1.08102262954124000
1998-07-01	1.12249294764041000
1998-10-01	1.00044839782667000
1999-01-01	0.89376010045150100
1999-04-01	0.73291633197797700
1999-07-01	0.52586101590652200
1999-10-01	0.48544886796738100
2000-01-01	0.63243041932864800
2000-04-01	0.94612307433739600
2000-07-01	1.36936226431365000
2000-10-01	1.55003732841809000
2001-01-01	1.45480940456365000
2001-04-01	1.37256147074511000
2001-07-01	1.21251075475743000
2001-10-01	0.96888518515911500
2002-01-01	0.68922628776222400
2002-04-01	0.37524684252384200
2002-07-01	0.17371645899544900
2002-10-01	0.02303951147389610
2003-01-01	-0.02009133292549400
2003-04-01	0.01186103122408490
2003-07-01	0.00124100006011866
2003-10-01	0.15059109616920000
2004-01-01	0.35004131669476900
2004-04-01	0.39940142844784000
2004-07-01	0.33775553651925600
2004-10-01	0.34278068511331100
2005-01-01	0.49144058461865400
2005-04-01	0.63377570401589300
2005-07-01	0.80776919748236800
2005-10-01	0.89937941026064100
2006-01-01	0.86442363541004800
2006-04-01	0.89695047556812800
2006-07-01	0.93411746455234400
2006-10-01	0.78184943993471900
2007-01-01	0.51122286968879100
2007-04-01	0.44722515658355000
2007-07-01	0.62245239159001600
2007-10-01	0.83979080516868500
2008-01-01	0.91058860318718000
2008-04-01	0.67652940006108700
2008-07-01	0.20406411654271500
2008-10-01	-0.21524491961016100
2009-01-01	-0.37693404353181200
2009-04-01	-0.24701010410045800
2009-07-01	0.05809475112064940
2009-10-01	0.45840721470872000
2010-01-01	0.87078630176263400
2010-04-01	0.99996441954716500
2010-07-01	0.96389520070479700
2010-10-01	0.88839053720174400
2011-01-01	0.71870863039678100