Quarter	Percent Change
1970-04-01	0.4273663563799980
1970-07-01	0.8510954172858620
1970-10-01	1.2658693697341200
1971-01-01	1.6667272367452400
1971-04-01	1.8106751725601200
1971-07-01	1.9466990853843400
1971-10-01	2.0745402730055200
1972-01-01	2.1940380567800900
1972-04-01	2.1739155478511600
1972-07-01	2.1540699165409400
1972-10-01	2.1344992842464500
1973-01-01	2.1152014176543800
1973-04-01	2.1422998869844900
1973-07-01	2.1667931644919700
1973-10-01	2.1887918201483100
1974-01-01	2.2084071495534000
1974-04-01	3.4087678682080000
1974-07-01	4.5033370912466000
1974-10-01	5.4642015635546300
1975-01-01	6.2761839149798800
1975-04-01	4.7006720289040100
1975-07-01	3.3388541899257200
1975-10-01	2.1173827752564900
1976-01-01	0.9829756018460240
1976-04-01	1.1556694712598300
1976-07-01	1.3226462573154100
1976-10-01	1.4832085753324800
1977-01-01	1.6367599183007800
1977-04-01	1.6842905198037600
1977-07-01	1.7290571628998300
1977-10-01	1.7710989656788700
1978-01-01	1.8104638899946400
1978-04-01	2.0071466005003000
1978-07-01	1.9679412348584900
1978-10-01	2.0544652022490300
1979-01-01	2.1480619817583200
1979-04-01	2.0284851223832800
1979-07-01	1.8309441071911500
1979-10-01	1.5876131170308900
1980-01-01	1.6525652049397200
1980-04-01	2.3722906187631100
1980-07-01	3.0125269481954500
1980-10-01	3.0141997599939700
1981-01-01	2.4293272675178000
1981-04-01	1.8631197194173300
1981-07-01	1.9268359561952200
1981-10-01	2.4896091429414000
1982-01-01	2.7115093412272000
1982-04-01	2.1861867542839900
1982-07-01	1.4039531393627900
1982-10-01	0.8557775511410550
1983-01-01	0.8598570466712930
1983-04-01	1.3420102775749000
1983-07-01	1.7915672752813400
1983-10-01	1.6736043272926700
1984-01-01	1.5796216091592500
1984-04-01	1.7137851917951500
1984-07-01	1.2800306716981500
1984-10-01	0.8009422258720640
1985-01-01	0.6218110968970100
1985-04-01	0.3160972422613230
1985-07-01	0.2807995639573590
1985-10-01	0.6191062653802840
1986-01-01	0.7365830575756240
1986-04-01	0.7521551352122140
1986-07-01	1.0564461703449400
1986-10-01	1.4058117962623200
1987-01-01	1.2010674974234300
1987-04-01	0.3918944163995380
1987-07-01	-0.4036398650573880
1987-10-01	-0.8158142494823560
1988-01-01	-0.6999570148064760
1988-04-01	-0.2040584807054750
1988-07-01	0.2325083385033150
1988-10-01	0.3406943556887800
1989-01-01	0.2148272089967070
1989-04-01	0.2567579815620620
1989-07-01	0.3970424404118140
1989-10-01	0.4546334678025440
1990-01-01	0.7724984429912160
1990-04-01	1.1436513373814400
1990-07-01	1.1184595344818700
1990-10-01	0.9279877879500740
1991-01-01	0.7549552428396050
1991-04-01	0.5324320211375720
1991-07-01	0.3977308483476120
1991-10-01	0.4682299894606170
1992-01-01	0.7045879655214140
1992-04-01	1.0119275074041000
1992-07-01	1.1180402355871900
1992-10-01	1.0876425767477600
1993-01-01	0.8482726295648790
1993-04-01	0.2279997160012760
1993-07-01	-0.2595240650176820
1993-10-01	-0.5947102159406960
1994-01-01	-1.0915610314592700
1994-04-01	-1.2594745648930100
1994-07-01	-0.9887032900670540
1994-10-01	-0.7893615044508670
1995-01-01	-0.3039242321772200
1995-04-01	0.3335351801690890
1995-07-01	0.2793834910916440
1995-10-01	0.1674638032140280
1996-01-01	0.5186771811552060
1996-04-01	0.5092489791360080
1996-07-01	-0.1765170099423330
1996-10-01	-0.7746027020875820
1997-01-01	-1.1566430507250700
1997-04-01	-1.6000636795087300
1997-07-01	-1.4345668976847100
1997-10-01	-1.0059340087301600
1998-01-01	-0.9655994497391570
1998-04-01	-0.7298797455509500
1998-07-01	-0.2814280652929220
1998-10-01	-0.1606422049920220
1999-01-01	-0.5719765847691240
1999-04-01	-0.9612459505401900
1999-07-01	-0.8566854695898210
1999-10-01	-0.5818768433894350
2000-01-01	-0.3228545383428390
2000-04-01	-0.0841397311559101
2000-07-01	-0.1922051885823240
2000-10-01	-0.4510458571744820
2001-01-01	-0.1247113334657700
2001-04-01	0.5621248886312390
2001-07-01	1.0028597044093100
2001-10-01	1.0577829513366500
2002-01-01	0.6056124880958300
2002-04-01	-0.0285826536210906
2002-07-01	-0.3659223965632110
2002-10-01	-0.4868354454711090
2003-01-01	-0.5362309270985450
2003-04-01	-0.5254586253285550
2003-07-01	-0.4781303421708990
2003-10-01	-0.1655713439298960
2004-01-01	0.2533350868411680
2004-04-01	0.3067457821181660
2004-07-01	0.0764329155314332
2004-10-01	-0.1823939256530140
2005-01-01	-0.5043540885827650
2005-04-01	-0.5720067028812640
2005-07-01	-0.0773808248073971
2005-10-01	0.3511165719372500
2006-01-01	0.4858702161288800
2006-04-01	0.6005809590542700
2006-07-01	0.4787772509337900
2006-10-01	0.1688905184745080
2007-01-01	0.1352687206477810
2007-04-01	0.2533252626557160
2007-07-01	0.3451383019804270
2007-10-01	0.6406858342349740
2008-01-01	0.8294074530795610
2008-04-01	0.7911238720186010
2008-07-01	0.7504843523269790
2008-10-01	0.6278063448668350
2009-01-01	0.5768723492423680
2009-04-01	0.5331276816227040
2009-07-01	0.3515861389045940
2009-10-01	0.3162094575110330
2010-01-01	0.2265595419797730
2010-04-01	-0.0205017203706589
2010-07-01	-0.0845196225063806
2010-10-01	-0.1447231719399680
2011-01-01	-0.2198994903431270