Quarter	Percent Change
1976-04-01	0.43038752900255800
1976-07-01	0.85708626560513300
1976-10-01	1.27470406283166000
1977-01-01	1.67821319458569000
1977-04-01	2.08240488301545000
1977-07-01	2.46300595963863000
1977-10-01	2.81671078737084000
1978-01-01	3.14114440442025000
1978-04-01	2.44830251425432000
1978-07-01	1.80688558769732000
1978-10-01	1.20225462385872000
1979-01-01	0.62221203075581500
1979-04-01	0.86039019456676700
1979-07-01	1.09301178467526000
1979-10-01	1.31856087712934000
1980-01-01	1.53567869123387000
1980-04-01	1.83437525438767000
1980-07-01	2.11745611671096000
1980-10-01	2.38311867649532000
1981-01-01	2.63001146164784000
1981-04-01	2.22215606928206000
1981-07-01	1.84079246390841000
1981-10-01	1.48048255028315000
1982-01-01	1.13661790981744000
1982-04-01	0.51373087680848400
1982-07-01	-0.09588972778151140
1982-10-01	-0.70355926835858400
1983-01-01	-1.32042675711460000
1983-04-01	0.01306049692905010
1983-07-01	1.36403821454547000
1983-10-01	2.67848207363281000
1984-01-01	3.90664285845476000
1984-04-01	2.25467886797954000
1984-07-01	0.73306707117324600
1984-10-01	-0.73345316441339400
1985-01-01	-2.21085421429912000
1985-04-01	-1.18153940755079000
1985-07-01	-0.10346321229783100
1985-10-01	0.98976429790574100
1986-01-01	2.06268324890612000
1986-04-01	1.52631508277413000
1986-07-01	1.01612438572315000
1986-10-01	0.52355984311918000
1987-01-01	0.04100184530920120
1987-04-01	0.03207259983881310
1987-07-01	0.02315273330790150
1987-10-01	0.01423983986360130
1988-01-01	0.00533157289502235
1988-04-01	1.56712257933376000
1988-07-01	1.71988261171632000
1988-10-01	1.83453004974925000
1989-01-01	1.76828175320298000
1989-04-01	1.49706494279123000
1989-07-01	1.15532999572468000
1989-10-01	0.87479374712115500
1990-01-01	0.77032701121341200
1990-04-01	0.76148571947564300
1990-07-01	0.67324905379999100
1990-10-01	0.52388108287577900
1991-01-01	0.41015849216281900
1991-04-01	0.44016379211813100
1991-07-01	0.70643362209764200
1991-10-01	1.15927987232531000
1992-01-01	1.51602365625197000
1992-04-01	1.52877564718188000
1992-07-01	1.20636969921530000
1992-10-01	0.63851543510133200
1993-01-01	0.12409315806707800
1993-04-01	-0.09357793841288370
1993-07-01	-0.04171086342014770
1993-10-01	0.17326929500849000
1994-01-01	0.23031168342139800
1994-04-01	0.05555053730015860
1994-07-01	-0.03988734939350160
1994-10-01	0.08743726617245520
1995-01-01	0.27648382083514200
1995-04-01	0.35769729984695100
1995-07-01	0.38161609976432200
1995-10-01	0.30908251657286700
1996-01-01	0.21965652924675000
1996-04-01	0.34610166969750900
1996-07-01	0.52590395087195000
1996-10-01	0.57947663981382200
1997-01-01	0.64540609185931100
1997-04-01	0.66697920508053800
1997-07-01	0.50017894201295300
1997-10-01	0.24831884390273900
1998-01-01	0.12142414077009500
1998-04-01	0.19691232628653400
1998-07-01	0.23597132051629300
1998-10-01	0.24556934755709000
1999-01-01	0.22410761638331200
1999-04-01	0.07998209629517950
1999-07-01	0.14180586829945300
1999-10-01	0.27852006820583700
2000-01-01	0.20935728742621300
2000-04-01	0.11767148552412200
2000-07-01	0.05332109272227080
2000-10-01	0.10759688791957500
2001-01-01	0.33783054090378700
2001-04-01	0.45225533944951400
2001-07-01	0.37338390085586900
2001-10-01	0.24626273999778300
2002-01-01	0.08276531081342580
2002-04-01	-0.02043747162456760
2002-07-01	-0.14983401609380900
2002-10-01	-0.55419666081746000
2003-01-01	-0.83293011533555400
2003-04-01	-0.69050639609744000
2003-07-01	-0.50520816143946000
2003-10-01	-0.34533616473459200
2004-01-01	-0.16165236323171600
2004-04-01	-0.12923552988727000
2004-07-01	-0.13867607898412100
2004-10-01	0.06935930533544040
2005-01-01	0.27334843953768900
2005-04-01	0.41346122914575100
2005-07-01	0.75992227775845800
2005-10-01	1.05317743867089000
2006-01-01	1.04322243350693000
2006-04-01	0.78249614626109300
2006-07-01	0.51037245814371500
2006-10-01	0.50107426291651300
2007-01-01	0.76887811056664700
2007-04-01	1.13665360803469000
2007-07-01	1.36494628430197000
2007-10-01	1.41211855507572000
2008-01-01	1.48712895333840000
2008-04-01	1.71394676491884000
2008-07-01	1.87435638009861000
2008-10-01	1.83311378390728000
2009-01-01	1.72699807955464000
2009-04-01	1.68340821662875000
2009-07-01	1.75260985285400000
2009-10-01	1.91854804535121000
2010-01-01	1.97981531597475000
2010-04-01	1.78942905635587000
2010-07-01	1.58933675966858000
2010-10-01	1.50487577822459000
2011-01-01	1.49356994685477000