Quarter	Percent Change
1970-04-01	0.95660889756644800
1970-07-01	1.89508924591512000
1970-10-01	2.78976530522860000
1971-01-01	3.61873290460253000
1971-04-01	2.79967315159332000
1971-07-01	2.04960994127728000
1971-10-01	1.34816170457153000
1972-01-01	0.67872843002703700
1972-04-01	1.09576422587533000
1972-07-01	1.50092900829244000
1972-10-01	1.88960898775358000
1973-01-01	2.25781975363960000
1973-04-01	2.10992183406755000
1973-07-01	1.97030397433843000
1973-10-01	1.83806836831844000
1974-01-01	1.71242803007968000
1974-04-01	2.10581531545487000
1974-07-01	2.47589515544278000
1974-10-01	2.81959483992138000
1975-01-01	3.13472738250261000
1975-04-01	2.64487233851225000
1975-07-01	2.19231191030297000
1975-10-01	1.76911783526661000
1976-01-01	1.36874040064935000
1976-04-01	1.69762706697524000
1976-07-01	2.01085839546002000
1976-10-01	2.30605649135298000
1977-01-01	2.58136528739896000
1977-04-01	2.11738376394918000
1977-07-01	1.68273008396136000
1977-10-01	1.27059915952417000
1978-01-01	0.87519524706857900
1978-04-01	1.38313865348217000
1978-07-01	1.14924343565140000
1978-10-01	1.19021396690414000
1979-01-01	0.00481728019839847
1979-04-01	-2.47690237207629000
1979-07-01	-3.10069959065934000
1979-10-01	-0.54285071751920700
1980-01-01	2.35199281336794000
1980-04-01	4.63276635275820000
1980-07-01	4.56827131733280000
1980-10-01	3.38253372052639000
1981-01-01	2.39706639418768000
1981-04-01	1.32892243275780000
1981-07-01	2.33447418410255000
1981-10-01	3.00803596065927000
1982-01-01	2.88453433507978000
1982-04-01	3.25234193116049000
1982-07-01	2.30956748927628000
1982-10-01	0.40272031040858000
1983-01-01	-0.04027707503453150
1983-04-01	0.76754207018316300
1983-07-01	0.97728646576748900
1983-10-01	0.73270353023314300
1984-01-01	-0.08401284913346960
1984-04-01	-0.54713708225262000
1984-07-01	0.66040478311300200
1984-10-01	1.70188833076872000
1985-01-01	1.75943361257348000
1985-04-01	1.22847679156209000
1985-07-01	0.65259146916356900
1985-10-01	0.92904107782434400
1986-01-01	1.33063496403672000
1986-04-01	2.06044716694874000
1986-07-01	3.16138982664295000
1986-10-01	4.18520972170204000
1987-01-01	3.11837283076813000
1987-04-01	1.50236658302316000
1987-07-01	1.78614826685156000
1987-10-01	1.77382803753155000
1988-01-01	2.01491214299256000
1988-04-01	1.50305793055685000
1988-07-01	-0.30823480414690400
1988-10-01	-1.28212896246767000
1989-01-01	-1.06571198760217000
1989-04-01	-0.55314060444132300
1989-07-01	-0.54837556662293400
1989-10-01	-0.11393798155236500
1990-01-01	0.20795146028224600
1990-04-01	0.78774320221979100
1990-07-01	0.42231551230856300
1990-10-01	-1.37507028662619000
1991-01-01	-0.76437933855773600
1991-04-01	1.06671567807865000
1991-07-01	1.09330264774309000
1991-10-01	-0.35214954424201800
1992-01-01	-1.38857070020803000
1992-04-01	-0.67790872094235700
1992-07-01	0.68735902430607700
1992-10-01	1.37892671784396000
1993-01-01	0.35811743318594800
1993-04-01	-1.58453697257259000
1993-07-01	-1.95096976183308000
1993-10-01	-1.00026621007449000
1994-01-01	-0.13553272606561800
1994-04-01	0.99884818134200800
1994-07-01	0.76234401030397100
1994-10-01	-0.46199145082937100
1995-01-01	-0.09589157531381410
1995-04-01	0.03544334275270550
1995-07-01	-0.17779023776498300
1995-10-01	0.39174700144502300
1996-01-01	0.15981386013236700
1996-04-01	-0.82521483264919300
1996-07-01	0.17201359245875900
1996-10-01	2.06309588094007000
1997-01-01	1.22625602566476000
1997-04-01	0.20387303387832400
1997-07-01	0.43547414355655900
1997-10-01	1.35139707346579000
1998-01-01	2.27936900784491000
1998-04-01	2.69918049490822000
1998-07-01	3.13435262841430000
1998-10-01	2.21029573965276000
1999-01-01	1.29610663216042000
1999-04-01	0.67551722037358700
1999-07-01	-0.45489382157857700
1999-10-01	-0.45670595705334400
2000-01-01	0.62166288651061600
2000-04-01	1.49650770224595000
2000-07-01	1.25650504742256000
2000-10-01	0.56447998773681800
2001-01-01	0.47732003207317300
2001-04-01	0.52964681051365200
2001-07-01	0.32152922080395500
2001-10-01	0.82192365465517700
2002-01-01	0.90077803451587100
2002-04-01	0.60155238545821500
2002-07-01	0.97706682542612400
2002-10-01	0.24635669029240900
2003-01-01	-0.26217223710992400
2003-04-01	-0.04945580221622930
2003-07-01	-0.20536936854911800
2003-10-01	-0.15434873955606000
2004-01-01	-0.16314600342242600
2004-04-01	0.72371612190503600
2004-07-01	1.87235004937458000
2004-10-01	1.56475629532107000
2005-01-01	0.82120938624082600
2005-04-01	0.22417649160701600
2005-07-01	0.76742641337926100
2005-10-01	2.47393904592365000
2006-01-01	2.86809823652164000
2006-04-01	2.26200543379201000
2006-07-01	1.98324789624091000
2006-10-01	2.26806776757765000
2007-01-01	2.81048631556832000
2007-04-01	2.72346131313437000
2007-07-01	2.14572415179223000
2007-10-01	2.41430947551539000
2008-01-01	2.63509960428693000
2008-04-01	2.13130842800338000
2008-07-01	1.81737979660010000
2008-10-01	0.80651281667601600
2009-01-01	0.62683117124147000
2009-04-01	1.19388887283004000
2009-07-01	0.76776641071365000
2009-10-01	0.38978182170995600
2010-01-01	0.48189321091069700
2010-04-01	1.04828756102515000
2010-07-01	1.43070828928461000
2010-10-01	1.51035163056762000
2011-01-01	1.63134427038657000
2011-04-01	1.48443438583211000