Quarter	Percent Change
1977-04-01	0.5935358723971490
1977-07-01	1.1800678713071400
1977-10-01	1.7494567784389900
1978-01-01	2.2925027754600300
1978-04-01	3.1253362555319600
1978-07-01	3.8880334671214000
1978-10-01	4.5678481397541500
1979-01-01	5.1575829123480300
1979-04-01	5.1874278520898200
1979-07-01	5.2004624467816500
1979-10-01	5.1989510618772200
1980-01-01	5.1849551160836500
1980-04-01	5.0852195271585600
1980-07-01	4.9874467537400800
1980-10-01	4.8917799641351500
1981-01-01	4.7983194621419300
1981-04-01	4.7829447731272000
1981-07-01	4.7596171597307200
1981-10-01	4.7295064679730300
1982-01-01	4.6936560943290600
1982-04-01	4.7658163281241800
1982-07-01	4.8187511300518700
1982-10-01	4.8545548786070000
1983-01-01	4.8752172383172900
1983-04-01	5.2003438366415700
1983-07-01	5.4677570981921700
1983-10-01	5.6815825546506500
1984-01-01	5.8466881637928500
1984-04-01	5.1724976088675500
1984-07-01	4.5841476309774600
1984-10-01	4.0638918279973300
1985-01-01	3.5983366144723600
1985-04-01	3.6648456599600300
1985-07-01	3.7200052123019100
1985-10-01	3.7646811266393300
1986-01-01	3.7997303936954100
1986-04-01	3.5519761616525300
1986-07-01	3.3252056908025600
1986-10-01	3.1166383124509500
1987-01-01	2.9239534045369300
1987-04-01	2.2406349435498700
1987-07-01	1.6044331853554600
1987-10-01	1.0012708846706500
1988-01-01	0.4192463815884290
1988-04-01	0.7546688283117830
1988-07-01	1.0836635411462900
1988-10-01	1.4031058763827000
1989-01-01	1.7101701103494700
1989-04-01	2.1918660499256800
1989-07-01	2.6443563420523500
1989-10-01	3.0628658670854100
1990-01-01	3.4440145479830500
1990-04-01	3.5094605877318500
1990-07-01	3.5644760841075800
1990-10-01	3.6098081550780000
1991-01-01	3.6462012842442200
1991-04-01	3.6732329102561600
1991-07-01	3.6928870204573000
1991-10-01	3.7058346987655800
1992-01-01	3.7127127229170700
1992-04-01	2.7942806739948500
1992-07-01	1.9541519892104000
1992-10-01	1.1671725556690700
1993-01-01	0.4128298682769260
1993-04-01	0.6550728884510730
1993-07-01	0.8931623225307610
1993-10-01	1.1254628240301300
1994-01-01	1.3504710450300500
1994-04-01	0.8159979337273630
1994-07-01	0.2970952385422160
1994-10-01	-0.2145653605603220
1995-01-01	-0.7269055928948600
1995-04-01	-0.2642747767860590
1995-07-01	0.2042183579273980
1995-10-01	0.6720393271550850
1996-01-01	1.1326645466023100
1996-04-01	1.0013707555212800
1996-07-01	0.8740105092558180
1996-10-01	0.7500229879936020
1997-01-01	0.6288913937197570
1997-04-01	0.8340896195187330
1997-07-01	1.0345887866190500
1997-10-01	1.2292695506458800
1998-01-01	1.4171241970293300
1998-04-01	1.1541078448758900
1998-07-01	0.9005005392413680
1998-10-01	0.6541700963924820
1999-01-01	0.4131734621358250
1999-04-01	0.4938822050914610
1999-07-01	0.5734588589030560
1999-10-01	0.6517253331998610
2000-01-01	0.7285136988381330
2000-04-01	0.2481654852179400
2000-07-01	0.0542760896866741
2000-10-01	0.2094661228599310
2001-01-01	0.4328044811645200
2001-04-01	0.5067938918183040
2001-07-01	0.6251640224391750
2001-10-01	0.6486836708215050
2002-01-01	0.6412277084896970
2002-04-01	0.7398419143432900
2002-07-01	0.8532872102063800
2002-10-01	0.8320551180757480
2003-01-01	0.6295551984363810
2003-04-01	0.3982088922589230
2003-07-01	0.2379979941907280
2003-10-01	0.1946876213961450
2004-01-01	0.2869511564983240
2004-04-01	0.4190745009958950
2004-07-01	0.5609357521355350
2004-10-01	0.7679516367737140
2005-01-01	0.9249307673874540
2005-04-01	0.9989538466027330
2005-07-01	0.8820785737997040
2005-10-01	0.5242363441859430
2006-01-01	0.3432272180757470
2006-04-01	0.4229862922525790
2006-07-01	0.4487215618993840
2006-10-01	0.3651738190856780
2007-01-01	0.3486036230583710
2007-04-01	0.4521936442234290
2007-07-01	0.5095453207229550
2007-10-01	0.5390808365206730
2008-01-01	0.6041221908514220
2008-04-01	0.6226431343009550
2008-07-01	0.6562425534605520
2008-10-01	0.5560702187742100
2009-01-01	0.1977990594255440
2009-04-01	-0.0835512514314820
2009-07-01	-0.1147921094854140
2009-10-01	0.0916331649005357
2010-01-01	0.3787512605397380
2010-04-01	0.4272937620726630
2010-07-01	0.3569432050334420
2010-10-01	0.3247737081619060
2011-01-01	0.2861251128971750