Month Growth rate same period previous year 1971-01-01 6.44241443544302000 1971-02-01 6.39726582549239000 1971-03-01 6.22323114643988000 1971-04-01 6.38819278436880000 1971-05-01 6.78520622710069000 1971-06-01 6.58285422425476000 1971-07-01 8.85450975335854000 1971-08-01 8.11788705074847000 1971-09-01 7.99018070905475000 1971-10-01 7.88747602776042000 1971-11-01 8.24870218776860000 1971-12-01 8.06365570638310000 1972-01-01 7.97005320430738000 1972-02-01 7.70534960077265000 1972-03-01 7.56316805070240000 1972-04-01 7.67114698299634000 1972-05-01 7.46525318789206000 1972-06-01 7.81646613231615000 1972-07-01 7.68864136001003000 1972-08-01 8.08735065870707000 1972-09-01 6.73839346685541000 1972-10-01 6.57513799574417000 1972-11-01 6.54709286588532000 1972-12-01 6.59269598972026000 1973-01-01 6.71653805324159000 1973-02-01 7.21937514237460000 1973-03-01 8.27675395503282000 1973-04-01 8.71856652508222000 1973-05-01 8.88937422335823000 1973-06-01 8.90274456123880000 1973-07-01 9.60198553583734000 1973-08-01 10.00366337944200000 1973-09-01 12.58724760950370000 1973-10-01 12.52473839799840000 1973-11-01 13.03713222599750000 1973-12-01 15.87197698994130000 1974-01-01 17.37460410277920000 1974-02-01 18.11643795232800000 1974-03-01 17.79768189767330000 1974-04-01 17.59194584342730000 1974-05-01 17.85790336053210000 1974-06-01 18.11432841358780000 1974-07-01 17.68966127855740000 1974-08-01 17.74064504333290000 1974-09-01 16.82759344434120000 1974-10-01 16.95998570064490000 1974-11-01 16.35132005242160000 1974-12-01 13.51126350194600000 1975-01-01 12.30518913448260000 1975-02-01 11.22241209386790000 1975-03-01 10.72843430876260000 1975-04-01 10.34631190578800000 1975-05-01 9.88061672085241000 1975-06-01 9.65959211870642000 1975-07-01 9.35693952420049000 1975-08-01 8.92329369633311000 1975-09-01 8.63350747860025000 1975-10-01 8.33171743425206000 1975-11-01 8.32368813999041000 1975-12-01 8.24960876761397000 1976-01-01 7.96448806922843000 1976-02-01 8.37105090493383000 1976-03-01 8.50265700792737000 1976-04-01 8.78452076913742000 1976-05-01 9.07841834910487000 1976-06-01 9.02221974622760000 1976-07-01 9.41106772164671000 1976-08-01 9.57566155196946000 1976-09-01 9.88588600607803000 1976-10-01 9.73621373682056000 1976-11-01 9.82031486045303000 1976-12-01 10.35047827536270000 1977-01-01 10.41699468170700000 1977-02-01 10.07521227003160000 1977-03-01 9.78324929445495000 1977-04-01 9.62652366326959000 1977-05-01 9.43255666489228000 1977-06-01 9.30183064922516000 1977-07-01 9.09155876794331000 1977-08-01 8.96948662722384000 1977-09-01 8.65489913565789000 1977-10-01 8.75373532324082000 1977-11-01 8.51240597268953000 1977-12-01 7.70292998000896000 1978-01-01 7.46137810702914000 1978-02-01 7.22816612214848000 1978-03-01 7.34865541889050000 1978-04-01 7.01939723316459000 1978-05-01 6.78128727710370000 1978-06-01 6.87987016698306000 1978-07-01 6.54375870726952000 1978-08-01 6.33861207135992000 1978-09-01 6.59492246047047000 1978-10-01 6.63817181587398000 1978-11-01 6.48536292507932000 1978-12-01 6.36989611870220000 1979-01-01 6.49494994075317000 1979-02-01 6.38034516164533000 1979-03-01 5.89720238052921000 1979-04-01 5.49275904307658000 1979-05-01 5.34555206064064000 1979-06-01 4.87527980763519000 1979-07-01 5.27326770788300000 1979-08-01 5.23310123234035000 1979-09-01 5.25235801885513000 1979-10-01 5.05589363139283000 1979-11-01 5.25675638306836000 1979-12-01 5.47769249388571000 1980-01-01 5.86760722777420000 1980-02-01 6.01526002289365000 1980-03-01 6.43943555873020000 1980-04-01 6.69844555930691000 1980-05-01 6.89297262962940000 1980-06-01 7.07697374227398000 1980-07-01 7.38049041463009000 1980-08-01 7.45465707993014000 1980-09-01 7.09865873000772000 1980-10-01 7.09217216972553000 1980-11-01 6.80815027265609000 1980-12-01 6.77667722931001000 1981-01-01 6.21670320175722000 1981-02-01 5.92870513436914000 1981-03-01 5.69650744532650000 1981-04-01 5.50140117079539000 1981-05-01 5.28947464604292000 1981-06-01 3.44728622710105000 1981-07-01 2.72111917595338000 1981-08-01 2.53439859095080000 1981-09-01 2.37793048948352000 1981-10-01 2.17674590457057000 1981-11-01 2.15325880357014000 1981-12-01 2.14672203512036000 1982-01-01 1.99980844434299000 1982-02-01 2.07971201711566000 1982-03-01 1.91875204254917000 1982-04-01 2.11823968769241000 1982-05-01 1.99834034522935000 1982-06-01 3.53050335839413000 1982-07-01 3.52119512365749000 1982-08-01 3.41352232707070000 1982-09-01 3.32776757280589000 1982-10-01 3.29419578393553000 1982-11-01 3.33016008840076000 1982-12-01 3.40020022810702000 1983-01-01 3.39940777748263000 1983-02-01 3.31194231451615000 1983-03-01 3.32659413503631000 1983-04-01 3.02521547094562000 1983-05-01 3.07346451186146000 1983-06-01 3.06510119951831000 1983-07-01 3.06580664396804000 1983-08-01 3.18631111511149000 1983-09-01 3.15680129524742000 1983-10-01 3.42698957991430000 1983-11-01 3.38388499277932000 1983-12-01 3.22361602625112000 1984-01-01 3.05698856217273000 1984-02-01 2.99051097060863000 1984-03-01 3.03777718347673000 1984-04-01 2.87546010835159000 1984-05-01 2.69737297444361000 1984-06-01 2.65514600569436000 1984-07-01 2.84592225668944000 1984-08-01 2.73740234850090000 1984-09-01 2.78735372597287000 1984-10-01 2.52104112209383000 1984-11-01 2.38804072382877000 1984-12-01 2.54435418761295000 1985-01-01 2.69436000770801000 1985-02-01 2.78450878545085000 1985-03-01 2.68516234370763000 1985-04-01 2.76097320753608000 1985-05-01 2.86170878399872000 1985-06-01 2.83890223795728000 1985-07-01 2.61022000210015000 1985-08-01 2.53979026841354000 1985-09-01 2.65402378219218000 1985-10-01 2.73984408924678000 1985-11-01 2.81208544049967000 1985-12-01 2.62067997488179000 1986-01-01 2.47440668147314000 1986-02-01 2.35479294352374000 1986-03-01 2.34456132408402000 1986-04-01 2.21257394118548000 1986-05-01 2.23644547948773000 1986-06-01 2.10980187665329000 1986-07-01 2.17856593169934000 1986-08-01 2.16952291515668000 1986-09-01 2.13258810298760000 1986-10-01 1.99908480953420000 1986-11-01 1.94744591542967000 1986-12-01 1.88836501020702000 1987-01-01 1.92645163130622000 1987-02-01 1.94247732355375000 1987-03-01 2.05336619509784000 1987-04-01 2.35314609460538000 1987-05-01 2.14355313799584000 1987-06-01 2.61217686645532000 1987-07-01 2.63664876035723000 1987-08-01 2.70717926331558000 1987-09-01 2.69475364176975000 1987-10-01 2.73188669661369000 1987-11-01 2.64951148184821000 1987-12-01 2.64637385420166000 1988-01-01 2.68151517093384000 1988-02-01 2.73409531128412000 1988-03-01 2.72871937406767000 1988-04-01 2.56476869968839000 1988-05-01 2.51957489518634000 1988-06-01 2.03987197821298000 1988-07-01 1.84759229180255000 1988-08-01 1.84545151811589000 1988-09-01 1.76566357111643000 1988-10-01 2.02612798077476000 1988-11-01 2.22537638581265000 1988-12-01 2.26117407951207000 1989-01-01 2.18738290648507000 1989-02-01 2.29231459712361000 1989-03-01 2.18052384014310000 1989-04-01 3.00937088998243000 1989-05-01 3.08715822658428000 1989-06-01 3.44158951667928000 1989-07-01 3.43741744562061000 1989-08-01 3.48597635682220000 1989-09-01 3.57356505510813000 1989-10-01 3.42317632221164000 1989-11-01 3.35431314456912000 1989-12-01 3.43182970662187000 1990-01-01 3.66006128017462000 1990-02-01 3.55386590092059000 1990-03-01 3.56512992775426000 1990-04-01 2.81343449362582000 1990-05-01 2.93803175954195000 1990-06-01 2.81523158181780000 1990-07-01 2.92912881175206000 1990-08-01 2.88079327998669000 1990-09-01 2.83261279015334000 1990-10-01 2.89883922038734000 1990-11-01 3.10561556684462000 1990-12-01 3.17116672061451000 1991-01-01 3.05867773173358000 1991-02-01 3.17022705361148000 1991-03-01 3.26902728151505000 1991-04-01 3.13019235903739000 1991-05-01 3.06824392243595000 1991-06-01 3.20218805065530000 1991-07-01 3.37302578304269000 1991-08-01 3.45400661554966000 1991-09-01 3.57055160612820000 1991-10-01 3.41812807211853000 1991-11-01 3.22196477760963000 1991-12-01 3.18405973798351000 1992-01-01 3.16991743079208000 1992-02-01 3.00909077311354000 1992-03-01 3.00316401403583000 1992-04-01 3.60803866977020000 1992-05-01 3.70085265054421000 1992-06-01 3.75432465896373000 1992-07-01 3.57367828137931000 1992-08-01 3.52582704439239000 1992-09-01 3.33938592932588000 1992-10-01 3.53354936928198000 1992-11-01 3.53387992232611000 1992-12-01 3.55270190906005000 1993-01-01 3.57922020461876000 1993-02-01 3.65106161828978000 1993-03-01 3.70588729231510000 1993-04-01 3.03211118019009000 1993-05-01 2.97933521361175000 1993-06-01 2.83158919470927000 1993-07-01 2.74608269740157000 1993-08-01 2.63588857442629000 1993-09-01 2.76115089939246000 1993-10-01 2.57994298423386000 1993-11-01 2.63519027765795000 1993-12-01 2.52936383492964000 1994-01-01 2.41816497390673000 1994-02-01 2.34278993780681000 1994-03-01 2.26554536389973000 1994-04-01 2.29209257200230000 1994-05-01 2.18602531109339000 1994-06-01 2.10739078337555000 1994-07-01 2.13686685987606000 1994-08-01 2.16234674534915000 1994-09-01 2.08793066238663000 1994-10-01 2.09079009586579000 1994-11-01 1.95091651053263000 1994-12-01 1.88324336982752000 1995-01-01 2.06771573275578000 1995-02-01 2.74560564357709000 1995-03-01 2.67702605935626000 1995-04-01 2.66300063913547000 1995-05-01 2.52247702881492000 1995-06-01 2.35074432384203000 1995-07-01 2.34074870914445000 1995-08-01 2.43418841901263000 1995-09-01 2.29908505079089000 1995-10-01 2.32098712011485000 1995-11-01 2.25550060151850000 1995-12-01 2.21563526190918000 1996-01-01 2.21382895262319000 1996-02-01 1.53044975622348000 1996-03-01 1.49787579247970000 1996-04-01 1.33819268990504000 1996-05-01 1.30528979020574000 1996-06-01 1.27308748512144000 1996-07-01 1.08526578336446000 1996-08-01 0.99091662533524400 1996-09-01 1.09018553640089000 1996-10-01 1.06306251846585000 1996-11-01 1.03190005221075000 1996-12-01 1.00044620610714000 1997-01-01 0.83777370543627800 1997-02-01 0.81227645576097600 1997-03-01 0.78087555694255200 1997-04-01 1.33171947676687000 1997-05-01 1.36703105330884000 1997-06-01 1.46411863074852000 1997-07-01 1.50701359084224000 1997-08-01 1.52362013076217000 1997-09-01 1.46724320692608000 1997-10-01 1.34829939571255000 1997-11-01 1.36010700308787000 1997-12-01 1.34076445485157000 1998-01-01 1.25911383632507000 1998-02-01 1.33156130157195000 1998-03-01 1.37359532507215000 1998-04-01 0.27968467782289700 1998-05-01 0.13394399593786400 1998-06-01 -0.39673390031633700 1998-07-01 -0.40835279561667300 1998-08-01 -0.54624723739424400 1998-09-01 -0.55204311726062600 1998-10-01 -0.68413340266840400 1998-11-01 -0.70152747417240300 1998-12-01 -0.80362907923395900 1999-01-01 -0.84498995833269200 1999-02-01 -1.10839836106100000 1999-03-01 -1.20952777448628000 1999-04-01 -0.67544192952131300 1999-05-01 -0.65707401798048700 1999-06-01 -0.16287206202585300 1999-07-01 -0.25391400590396900 1999-08-01 -0.19326462424810200 1999-09-01 -0.25406839519454200 1999-10-01 -0.16311969201790600 1999-11-01 -0.21812629116194800 1999-12-01 -0.21832537632987000 2000-01-01 -0.30928333099965400 2000-02-01 -0.18190174066132000 2000-03-01 -0.30986697468000900 2000-04-01 -0.43158635418176600 2000-05-01 -0.34006735091932400 2000-06-01 -0.46160148047600200 2000-07-01 -0.37074910064158400 2000-08-01 -0.40697270158355900 2000-09-01 -0.34626213903442300 2000-10-01 -0.28530349143028400 2000-11-01 -0.26074947553929000 2000-12-01 -0.23057096225013200 2001-01-01 -0.45263139685941400 2001-02-01 -0.45634415697390300 2001-03-01 -0.36641572705200300 2001-04-01 -0.52094310769948400 2001-05-01 -0.70321735914436700 2001-06-01 -0.74384511602810900 2001-07-01 -0.74384511602810900 2001-08-01 -0.75497423787474400 2001-09-01 -0.79561677173324200 2001-10-01 -0.86284708898691900 2001-11-01 -0.91773010084606700 2001-12-01 -0.80676878400375200 2002-01-01 -0.58867438651809600 2002-02-01 -0.58887557019734200 2002-03-01 -0.56169482525148300 2002-04-01 -0.48236100843828500 2002-05-01 -0.54008435782326500 2002-06-01 -0.54030542639085000 2002-07-01 -0.48963492449502200 2002-08-01 -0.53392477849555200 2002-09-01 -0.53414351939370300 2002-10-01 -0.56850925729551400 2002-11-01 -0.57567803718062000 2002-12-01 -0.62612547783535100 2003-01-01 -0.60347300381205300 2003-02-01 -0.70214853088016400 2003-03-01 -0.66139152891256900 2003-04-01 -0.59305437835967800 2003-05-01 -0.38669400135475400 2003-06-01 -0.44446956933977500 2003-07-01 -0.49516306935456600 2003-08-01 -0.47247728312393500 2003-09-01 -0.52365962160096000 2003-10-01 -0.43166119246136900 2003-11-01 -0.42540297964998400 2003-12-01 -0.42540297964998400 2004-01-01 -0.44208382397406600 2004-02-01 -0.34351092330774700 2004-03-01 -0.37813217526176500 2004-04-01 -0.39468599913026600 2004-05-01 -0.51009039781272400 2004-06-01 -0.44602236970583500 2004-07-01 -0.48066025328294900 2004-08-01 -0.46958345011296900 2004-09-01 -0.41205113256030900 2004-10-01 -0.50445402339611600 2004-11-01 -0.41222181429927400 2004-12-01 -0.44693019536134300 2005-01-01 -0.44718952706103500 2005-02-01 -0.44734488333969800 2005-03-01 -0.47081311673040200 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-0.21188674198481900 2007-12-01 -0.24240407958663800 2008-01-01 -0.14919799025846300 2008-02-01 -0.21179904311157800 2008-03-01 -0.14243750933560500 2008-04-01 0.29153190170829300 2008-05-01 0.22860080588074500 2008-06-01 0.37454136804578400 2008-07-01 0.38086902910798200 2008-08-01 0.46419446044440700 2008-09-01 0.52333617515997200 2008-10-01 0.50166773341177700 2008-11-01 0.60224116396574800 2008-12-01 0.52195845528448100 2009-01-01 0.46975507829060300 2009-02-01 0.42840940377057600 2009-03-01 0.35865135703697900 2009-04-01 0.13003905845898400 2009-05-01 0.09939883253328160 2009-06-01 0.05798907217821540 2009-07-01 -0.08314431605440380 2009-08-01 -0.07933383827075200 2009-09-01 -0.15137091999623100 2009-10-01 -0.28177614522344200 2009-11-01 -0.42926981727148600 2009-12-01 -0.45621741350250900 2010-01-01 -0.59349076367127700 2010-02-01 -0.54859209687737700 2010-03-01 -0.54859209687737700 2010-04-01 -0.59404352499879200 2010-05-01 -0.59424922076696600 2010-06-01 -0.62865791926043600 2010-07-01 -0.59823658681521300 2010-08-01 -0.71937763081382000 2010-09-01 -0.63703214892464300 2010-10-01 -0.69792381394977300 2010-11-01 -0.59184706531349300 2010-12-01 -0.57883582191342100 2011-01-01 -0.32878018324184600 2011-02-01 -0.30482454635057600 2011-03-01 -0.36465449353515300 2011-04-01 -0.29526595276648700 2011-05-01 -0.26053542682411800 2011-06-01 -0.28643186013136500 2011-07-01 -0.28643186013136500 2011-08-01 -0.25208454427001500 2011-09-01 -0.28686270397028000 2011-10-01 -0.14314622033780400 2011-11-01 -0.06251600496966110 2011-12-01 0.03061240440790090 2012-01-01 -0.12538671438552000 2012-02-01 -0.19351548246180700 2012-03-01 -0.19363168641570800 2012-04-01 -0.19363168641570800 2012-05-01 -0.19363168641570800 2012-06-01 -0.19368197415635300 2012-07-01 -0.19368197415635300 2012-08-01 -0.13374339107150500 2012-09-01 -0.22799033313773600 2012-10-01 -0.22799033313773600 2012-11-01 -0.36855965905232000 2012-12-01 -0.36843403341376300 2013-01-01 -0.40276256468266000 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