Quarter	Percent Change
1970-04-01	1.1498779947094500
1970-07-01	2.2736124707908500
1970-10-01	3.3346026406928000
1971-01-01	4.3026601543005800
1971-04-01	3.1969785990844000
1971-07-01	2.1985033307403200
1971-10-01	1.2711228057535800
1972-01-01	0.3861285131701000
1972-04-01	2.0826882289269900
1972-07-01	3.7035987469727600
1972-10-01	5.1753266742064100
1973-01-01	6.4457347396649900
1973-04-01	5.4516062179292200
1973-07-01	4.5971739155597800
1973-10-01	3.8476922178436000
1974-01-01	3.1779827879003100
1974-04-01	3.6607941392238000
1974-07-01	4.0917014039761000
1974-10-01	4.4690306882927800
1975-01-01	4.7929988088223700
1975-04-01	4.3034358297737400
1975-07-01	3.8666932965674000
1975-10-01	3.4732072616153200
1976-01-01	3.1154618375665200
1976-04-01	4.7226034245838400
1976-07-01	6.1341805863803400
1976-10-01	7.3103024947024300
1977-01-01	8.2386856223927700
1977-04-01	6.1407671947560200
1977-07-01	4.3997644129650800
1977-10-01	2.8870136015611800
1978-01-01	1.5159191715512400
1978-04-01	2.0545643306382000
1978-07-01	2.5631841734290300
1978-10-01	3.0353645584305000
1979-01-01	3.4663848235720400
1979-04-01	3.7116510930685200
1979-07-01	3.9272828918458900
1979-10-01	4.1141727824954400
1980-01-01	4.2736446288249700
1980-04-01	5.1619069667305000
1980-07-01	5.9197520955298400
1980-10-01	6.5436058875086700
1981-01-01	7.0377839787029500
1981-04-01	3.4480049984336300
1981-07-01	3.4632448516824300
1981-10-01	3.4657372672509800
1982-01-01	3.4451995152903100
1982-04-01	2.9648752910044000
1982-07-01	2.3047590518950700
1982-10-01	2.2908127839459600
1983-01-01	2.7637354919664500
1983-04-01	3.3808967207780400
1983-07-01	3.4307731615560600
1983-10-01	2.2922808029175800
1984-01-01	1.2312360528038800
1984-04-01	1.0707163316060500
1984-07-01	1.3158742007673500
1984-10-01	2.1971855842011700
1985-01-01	3.3089714115761800
1985-04-01	3.5968223880033300
1985-07-01	3.5722547242306300
1985-10-01	3.5612894786618600
1986-01-01	2.9332920004942300
1986-04-01	2.0543384016527700
1986-07-01	1.6766719620829400
1986-10-01	1.5903334077774900
1987-01-01	1.3124991096880500
1987-04-01	1.1334041472666700
1987-07-01	1.4903226332460800
1987-10-01	1.8264856677065600
1988-01-01	1.8252846785778900
1988-04-01	1.7496604387886300
1988-07-01	1.4995137911887700
1988-10-01	1.3512482119428100
1989-01-01	1.3817902045518500
1989-04-01	1.6540140705362100
1989-07-01	2.1861041343954900
1989-10-01	2.7299406175453700
1990-01-01	3.2339638320289800
1990-04-01	2.9063873144699200
1990-07-01	2.1389887698356000
1990-10-01	2.0886124509912800
1991-01-01	2.5158876736636600
1991-04-01	3.0098595904899100
1991-07-01	3.2902464686268600
1991-10-01	2.8909628736757100
1992-01-01	2.1644332666999600
1992-04-01	1.5981603371822700
1992-07-01	1.0546498012599800
1992-10-01	1.1229373461480000
1993-01-01	1.7131530815300300
1993-04-01	1.7490101492745100
1993-07-01	1.1490309372056800
1993-10-01	0.5909646253825020
1994-01-01	0.6747200837402920
1994-04-01	0.7968006296251960
1994-07-01	0.6161432558408960
1994-10-01	0.4077750459184610
1995-01-01	0.0531910230101300
1995-04-01	0.2341380711035600
1995-07-01	0.7322656027713860
1995-10-01	0.6625678778110130
1996-01-01	0.2376130117454220
1996-04-01	0.2794044419600410
1996-07-01	1.3157373754090600
1996-10-01	2.2436868161249200
1997-01-01	2.2883604389500300
1997-04-01	1.8415574252290400
1997-07-01	0.8657379239409540
1997-10-01	-0.6094719463885570
1998-01-01	-1.4058107579572400
1998-04-01	-0.8787409648364980
1998-07-01	0.2268378840365900
1998-10-01	1.1512285356929700
1999-01-01	1.6930453852163000
1999-04-01	1.6474995233112300
1999-07-01	0.7898213302270980
1999-10-01	0.2735088657654440
2000-01-01	0.2817663358246770
2000-04-01	-0.0588832420609348
2000-07-01	-0.2727378388151620
2000-10-01	0.1208256200188370
2001-01-01	0.5643596297405160
2001-04-01	0.6864302383663120
2001-07-01	0.6240604511599490
2001-10-01	0.4148328423343930
2002-01-01	0.5545318218737420
2002-04-01	1.1333750155788900
2002-07-01	1.5157636961341300
2002-10-01	1.5707965672359500
2003-01-01	1.1994274397694400
2003-04-01	0.6584412805621410
2003-07-01	0.8136159592611760
2003-10-01	0.9073870034537110
2004-01-01	0.7201776423062850
2004-04-01	1.3955480645366800
2004-07-01	1.9343818407606500
2004-10-01	1.5769693114391900
2005-01-01	1.0541518257628100
2005-04-01	0.1841090656892540
2005-07-01	-0.3780917640467560
2005-10-01	0.2823684283130960
2006-01-01	0.6988024754102640
2006-04-01	0.3394269301194970
2006-07-01	0.5039781574430310
2006-10-01	1.1996217587255300
2007-01-01	1.7965820796578300
2007-04-01	1.8195000899030200
2007-07-01	1.4012399655904300
2007-10-01	1.2775500198117300
2008-01-01	1.4701336091998500
2008-04-01	2.1407394043396400
2008-07-01	2.9535219910244200
2008-10-01	2.6717188117092300
2009-01-01	1.7758442985134100
2009-04-01	1.3662607948598200
2009-07-01	1.2301228376768600
2009-10-01	1.1772416525928500
2010-01-01	1.3210409312756900
2010-04-01	1.1133911929819000
2010-07-01	0.5007700703542810
2010-10-01	0.1801821968618090
2011-01-01	0.3358608508911020