Quarter	Percent Change
1970-04-01	0.5296462113581040
1970-07-01	1.0537115622527400
1970-10-01	1.5640863435001100
1971-01-01	2.0533324566484600
1971-04-01	1.8786819964036000
1971-07-01	1.7131600671852500
1971-10-01	1.5556313007693500
1972-01-01	1.4050991408160300
1972-04-01	1.4153128366754300
1972-07-01	1.4248301256762800
1972-10-01	1.4336715879111100
1973-01-01	1.4418577569995800
1973-04-01	2.2962399793802900
1973-07-01	3.0999344499716700
1973-10-01	3.8362510631608400
1974-01-01	4.4933964327829700
1974-04-01	3.6884637788838400
1974-07-01	2.9673068887127700
1974-10-01	2.3088475525080800
1975-01-01	1.6967250151516300
1975-04-01	2.1259356464196000
1975-07-01	2.5296753932885700
1975-10-01	2.9042035128491600
1976-01-01	3.2468501045210700
1976-04-01	3.2967484048518300
1976-07-01	3.3386839009202200
1976-10-01	3.3732151271909000
1977-01-01	3.4008936205859000
1977-04-01	2.2864488927958600
1977-07-01	1.2551620452713200
1977-10-01	0.2715764418155350
1978-01-01	-0.6945639048124210
1978-04-01	4.4419029701448300
1978-07-01	4.0295148311978600
1978-10-01	3.6964086571572700
1979-01-01	3.0378566925308700
1979-04-01	2.1881681881032200
1979-07-01	1.8942715296115300
1979-10-01	1.8777056468661200
1980-01-01	2.3474011280425500
1980-04-01	2.9528674584915400
1980-07-01	2.9791422549120500
1980-10-01	2.7374930201775200
1981-01-01	2.1586758882366200
1981-04-01	1.7830066559786300
1981-07-01	1.9971793377862400
1981-10-01	2.1305741418817800
1982-01-01	2.0804255119733100
1982-04-01	1.9761895121692400
1982-07-01	1.6264678103170400
1982-10-01	1.3037759617137600
1983-01-01	1.1745653138377200
1983-04-01	0.8980002792051840
1983-07-01	0.8112812270403320
1983-10-01	1.1041315746684800
1984-01-01	1.4267647362374100
1984-04-01	1.6696106027246300
1984-07-01	1.3786181237626200
1984-10-01	0.5717136205287110
1985-01-01	0.1424357030457320
1985-04-01	0.2261049490725450
1985-07-01	0.7254816753065210
1985-10-01	1.6050835960790200
1986-01-01	2.3067589860436300
1986-04-01	2.8753236815098600
1986-07-01	3.3240980972737600
1986-10-01	3.4199286892142000
1987-01-01	2.9457955645143800
1987-04-01	2.2220022813845400
1987-07-01	1.9295463770519000
1987-10-01	2.0167940240699900
1988-01-01	2.2601173229046400
1988-04-01	1.9169375804660000
1988-07-01	1.0063693908250800
1988-10-01	0.0775838460038925
1989-01-01	-0.7871525084167030
1989-04-01	-0.9678147323137360
1989-07-01	-0.8122223630011430
1989-10-01	-0.8205441958708910
1990-01-01	-0.4437120198648050
1990-04-01	0.0740060641383503
1990-07-01	0.1520863572879390
1990-10-01	-0.0179468517459048
1991-01-01	-0.2810208718283490
1991-04-01	-0.6953065014112160
1991-07-01	-0.7960499363020210
1991-10-01	-0.6651867804575140
1992-01-01	-0.6199208399558470
1992-04-01	-0.3413904131729640
1992-07-01	-0.1895158632752830
1992-10-01	-0.1856821175961490
1993-01-01	-0.0541399138954819
1993-04-01	0.0562289385099883
1993-07-01	0.1626025673106990
1993-10-01	-0.0781762862398876
1994-01-01	-0.5173824000940790
1994-04-01	-0.8492100829572140
1994-07-01	-1.4343796434725600
1994-10-01	-1.6589587610582300
1995-01-01	-1.0499555289058200
1995-04-01	-0.3965314635178340
1995-07-01	0.5486535982256580
1995-10-01	1.7332396839124200
1996-01-01	1.9107991329836100
1996-04-01	1.4985637909451600
1996-07-01	1.6337762538485500
1996-10-01	1.8842158981630600
1997-01-01	1.8973813028003700
1997-04-01	1.9223744534450600
1997-07-01	1.6739936337524800
1997-10-01	1.5916482645460300
1998-01-01	2.0208465041021500
1998-04-01	2.7670586436610200
1998-07-01	3.9380225158118800
1998-10-01	4.7150104828409200
1999-01-01	4.5645494067863500
1999-04-01	3.9058004501996500
1999-07-01	3.0062170749809200
1999-10-01	2.3669988365310500
2000-01-01	2.1388250688192200
2000-04-01	2.0213235335803000
2000-07-01	1.7198828308334200
2000-10-01	1.2490556481871100
2001-01-01	1.1408858431029800
2001-04-01	1.1505956834741300
2001-07-01	1.0835810790697700
2001-10-01	1.2883697741100600
2002-01-01	1.3630779703818800
2002-04-01	1.4568467231317500
2002-07-01	1.7630793829614600
2002-10-01	1.6309158860596800
2003-01-01	1.3922253541559200
2003-04-01	1.3902709775338000
2003-07-01	1.1310621515398800
2003-10-01	0.8142100577628970
2004-01-01	0.6023872336974770
2004-04-01	0.3880431940131160
2004-07-01	0.6451720661956740
2004-10-01	1.3435428354364900
2005-01-01	1.9503746856840500
2005-04-01	2.4242382164164800
2005-07-01	2.8949505896974800
2005-10-01	3.4423119995974300
2006-01-01	3.7972620772693100
2006-04-01	3.6300054945194300
2006-07-01	3.1887777245664500
2006-10-01	2.7179105432051100
2007-01-01	2.4817224334963600
2007-04-01	2.6045560498136200
2007-07-01	2.7098017974115100
2007-10-01	2.5998127459323200
2008-01-01	2.3851691993149900
2008-04-01	2.1433675504501800
2008-07-01	1.8282992719833100
2008-10-01	1.4628852056380100
2009-01-01	1.2392764497621100
2009-04-01	1.0758656881960100
2009-07-01	0.9753161549747330
2009-10-01	1.0913969896284000
2010-01-01	1.0031689080423800
2010-04-01	0.7720925374544180
2010-07-01	0.7380752702439950
2010-10-01	0.6370122931029870
2011-01-01	0.6504083278580240
2011-04-01	0.8380537442959730