Quarter	Percent Change
1970-04-01	0.57961509032650800
1970-07-01	1.15254970317990000
1970-10-01	1.70912596614662000
1971-01-01	2.24054103513221000
1971-04-01	2.05075808452263000
1971-07-01	1.87169128759944000
1971-10-01	1.70197963642165000
1972-01-01	1.54043877869631000
1972-04-01	2.10822260294334000
1972-07-01	2.64364198203021000
1972-10-01	3.13959029315271000
1973-01-01	3.59088775096645000
1973-04-01	3.01819933025441000
1973-07-01	2.49469095765747000
1973-10-01	2.00947887610075000
1974-01-01	1.55376419002624000
1974-04-01	3.81113830252540000
1974-07-01	5.86862334603664000
1974-10-01	7.61889943519586000
1975-01-01	9.00816801853792000
1975-04-01	6.71171743435704000
1975-07-01	4.83515760613781000
1975-10-01	3.22481179432355000
1976-01-01	1.78006708626472000
1976-04-01	3.00074101978980000
1976-07-01	4.12865686715683000
1976-10-01	5.13210681734864000
1977-01-01	5.99175313703365000
1977-04-01	4.82081532508969000
1977-07-01	3.80515404242893000
1977-10-01	2.90082607959200000
1978-01-01	2.07576807259290000
1978-04-01	2.28426429501400000
1978-07-01	2.47836008882432000
1978-10-01	2.65760431698458000
1979-01-01	2.82179358097337000
1979-04-01	3.35576172715751000
1979-07-01	3.83836353234808000
1979-10-01	4.26616934356588000
1980-01-01	4.63799471964030000
1980-04-01	4.80167474453152000
1980-07-01	4.93401480193652000
1980-10-01	5.03778692572457000
1981-01-01	5.11583253296481000
1981-04-01	4.45757287957488000
1981-07-01	5.10863943065638000
1981-10-01	5.00964886999471000
1982-01-01	4.55639040446334000
1982-04-01	4.24077568948732000
1982-07-01	4.48677845384502000
1982-10-01	4.25559792510820000
1983-01-01	3.35183053118138000
1983-04-01	2.83032640033951000
1983-07-01	2.03423741177840000
1983-10-01	1.72638388441119000
1984-01-01	2.12348549229771000
1984-04-01	2.62441667114484000
1984-07-01	2.97537405216235000
1984-10-01	2.82695598895370000
1985-01-01	2.51645345324647000
1985-04-01	1.54060604738214000
1985-07-01	0.86393784489754800
1985-10-01	1.02992602844629000
1986-01-01	1.24511106812969000
1986-04-01	1.22550905559863000
1986-07-01	0.75077988767424100
1986-10-01	0.83970391892192200
1987-01-01	1.03408553388743000
1987-04-01	0.75028691883922900
1987-07-01	0.80822271486611500
1987-10-01	0.69800040046946200
1988-01-01	0.39463276231143200
1988-04-01	0.79922105147143200
1988-07-01	1.04958781129942000
1988-10-01	0.72822775248111300
1989-01-01	1.13203620744241000
1989-04-01	1.84213270752724000
1989-07-01	2.00355662992372000
1989-10-01	1.44897620642063000
1990-01-01	1.29703655992520000
1990-04-01	2.42747012857202000
1990-07-01	2.28820665805207000
1990-10-01	1.46813912277413000
1991-01-01	2.21730405620929000
1991-04-01	1.92830154897744000
1991-07-01	1.16613925930863000
1991-10-01	1.66422973137487000
1992-01-01	1.18205007865915000
1992-04-01	0.50906221593610300
1992-07-01	0.92583491615649700
1992-10-01	0.59490680963039900
1993-01-01	-0.58648983606831900
1993-04-01	-0.82333069597057400
1993-07-01	-0.78506315897638900
1993-10-01	-1.64820162611585000
1994-01-01	-1.19978404727222000
1994-04-01	-0.21047927954556000
1994-07-01	-0.84027422688433200
1994-10-01	0.08621538350038500
1995-01-01	1.09116117076424000
1995-04-01	-0.38308187559314400
1995-07-01	-0.48922324624138200
1995-10-01	0.78045040453466800
1996-01-01	1.22003784939719000
1996-04-01	1.47420527237981000
1996-07-01	1.36090882591198000
1996-10-01	0.73542839961133400
1997-01-01	0.26359020544285200
1997-04-01	-0.22459038176380500
1997-07-01	-0.70950892602645700
1997-10-01	-0.98051865395541100
1998-01-01	-0.66153444309328600
1998-04-01	0.18817071630617600
1998-07-01	1.11483890940931000
1998-10-01	1.27354102789768000
1999-01-01	0.98329619355905800
1999-04-01	1.08487802485108000
1999-07-01	0.17903414047175200
1999-10-01	-1.21638201729883000
2000-01-01	-1.61707087255999000
2000-04-01	-1.47395877215076000
2000-07-01	-0.42199760494595100
2000-10-01	0.69367088371023900
2001-01-01	0.05131566157454880
2001-04-01	0.20292868381440900
2001-07-01	1.84450243295609000
2001-10-01	2.30772275291407000
2002-01-01	1.13613523672479000
2002-04-01	-0.37611102584225200
2002-07-01	0.01459683109616720
2002-10-01	0.95320550750788900
2003-01-01	1.53267063696709000
2003-04-01	2.25571939761550000
2003-07-01	1.03124225283215000
2003-10-01	-0.95439350552872800
2004-01-01	-1.25761334928856000
2004-04-01	0.18572160405981300
2004-07-01	0.95931103393054200
2004-10-01	0.92571213675682000
2005-01-01	1.01669217693591000
2005-04-01	0.16567557735221300
2005-07-01	0.09495922640536850
2005-10-01	0.90322108825172900
2006-01-01	0.83619688933974200
2006-04-01	-0.24180450660127100
2006-07-01	-0.89279271065703700
2006-10-01	0.19295943220622500
2007-01-01	1.29929612556841000
2007-04-01	0.87909491121984800
2007-07-01	-0.00718555133740063
2007-10-01	0.21739909313775200
2008-01-01	0.96648116090928800
2008-04-01	1.16148350773823000
2008-07-01	1.31347541106019000
2008-10-01	1.21534415361416000
2009-01-01	1.46727601800411000
2009-04-01	1.87040125728502000
2009-07-01	1.48807392075751000
2009-10-01	0.23118647706400800
2010-01-01	-1.16639513509785000
2010-04-01	-1.39270882317488000
2010-07-01	-1.10059614745494000
2010-10-01	-0.41664011371414700
2011-01-01	0.07108135166680790