Month Growth rate same period previous year 1967-01-01 7.798162970574570 1967-02-01 7.551485723461250 1967-03-01 7.780318238149520 1967-04-01 7.534244921344970 1967-05-01 7.762554988365580 1967-06-01 7.499998418513250 1967-07-01 7.256234711326540 1967-08-01 5.345207508356170 1967-09-01 10.222221177581900 1967-10-01 9.251102131833520 1967-11-01 9.230770077793740 1967-12-01 9.210527199260840 1968-01-01 6.170212917161600 1968-02-01 6.808509579868750 1968-03-01 6.794054172852770 1968-04-01 7.430995643509710 1968-05-01 7.415257935450200 1968-06-01 7.822413071630960 1968-07-01 8.033829164004640 1968-08-01 8.033829164004640 1968-09-01 3.225805908542540 1968-10-01 4.032255982746420 1968-11-01 3.822935946750620 1968-12-01 3.815259383132240 1969-01-01 5.010021694473770 1969-02-01 4.382472947074900 1969-03-01 4.373760293592360 1969-04-01 4.743085134706340 1969-05-01 5.128200764379980 1969-06-01 5.098034935153220 1969-07-01 5.088063816172060 1969-08-01 5.283758159332550 1969-09-01 5.273438338813460 1969-10-01 4.651164797848670 1969-11-01 4.844962881574210 1969-12-01 5.609284530545300 1970-01-01 4.770988554845850 1970-02-01 4.961827884565150 1970-03-01 4.952382103617240 1970-04-01 4.528303828941520 1970-05-01 4.127582421903640 1970-06-01 4.104480324671040 1970-07-01 4.655489737226800 1970-08-01 5.390334601340000 1970-09-01 5.565862402135030 1970-10-01 5.925924933212180 1970-11-01 6.099813835216780 1970-12-01 5.860805001830380 1971-01-01 6.557379958182850 1971-02-01 6.727275312859840 1971-03-01 6.715060733796480 1971-04-01 7.400717940617350 1971-05-01 7.567568191074590 1971-06-01 7.168460158034210 1971-07-01 7.473310401677740 1971-08-01 6.701937022327420 1971-09-01 6.854126760021820 1971-10-01 6.468528924881500 1971-11-01 6.445995388353790 1971-12-01 6.055366396118260 1972-01-01 5.811964266639890 1972-02-01 6.984668779818880 1972-03-01 8.503399460623100 1972-04-01 7.563029770162280 1972-05-01 8.207703490134010 1972-06-01 10.367891809061100 1972-07-01 9.933774498732680 1972-08-01 10.743804390492500 1972-09-01 11.019739048273800 1972-10-01 11.330050882137400 1972-11-01 11.783956395751500 1972-12-01 11.745514169929100 1973-01-01 13.408725404253100 1973-02-01 12.579616020583800 1973-03-01 11.442006618336700 1973-04-01 11.562499619454800 1973-05-01 11.455108185718200 1973-06-01 9.242423571490510 1973-07-01 9.638556994627640 1973-08-01 9.104476830673880 1973-09-01 8.592592788080830 1973-10-01 10.914454192515200 1973-11-01 11.127382801345500 1973-12-01 11.386859884270000 1974-01-01 9.971510818728130 1974-02-01 10.749645763968600 1974-03-01 10.548522958979400 1974-04-01 11.624647146391800 1974-05-01 11.250001884605000 1974-06-01 12.066574539821300 1974-07-01 11.401096222636000 1974-08-01 11.080709296805800 1974-09-01 11.323330070571600 1974-10-01 11.835106250084500 1974-11-01 11.989458955514700 1974-12-01 12.844037868620800 1975-01-01 15.414507160213100 1975-02-01 14.687101661255400 1975-03-01 14.758270350857500 1975-04-01 13.550817942092600 1975-05-01 13.483144622783100 1975-06-01 12.871286855855600 1975-07-01 12.700369964469700 1975-08-01 12.807881621425200 1975-09-01 12.745097571032400 1975-10-01 9.512487049334730 1975-11-01 8.705882191136990 1975-12-01 7.433215942763910 1976-01-01 8.417507996777850 1976-02-01 7.906459346138240 1976-03-01 9.534368638855200 1976-04-01 9.502759688388940 1976-05-01 9.460946505579640 1976-06-01 9.758771775886360 1976-07-01 10.503283761717600 1976-08-01 10.589520970948100 1976-09-01 9.999999092364170 1976-10-01 10.423451055839700 1976-11-01 10.064934037995700 1976-12-01 10.270268855180400 1977-01-01 8.695650044194650 1977-02-01 9.184726344326320 1977-03-01 7.692307258888720 1977-04-01 7.870839578466570 1977-05-01 8.743718744783730 1977-06-01 8.991008674333160 1977-07-01 8.910890679823060 1977-08-01 9.279367106554590 1977-09-01 9.090908340796820 1977-10-01 8.652900769033120 1977-11-01 8.456244306585500 1977-12-01 8.725490139896420 1978-01-01 7.047619037520490 1978-02-01 7.183364386757270 1978-03-01 6.672932842224240 1978-04-01 6.922357204476950 1978-05-01 5.822550037702150 1978-06-01 5.499541527135480 1978-07-01 5.363636306127760 1978-08-01 5.149051838030600 1978-09-01 4.981884722529270 1978-10-01 5.067873804673650 1978-11-01 5.439709680808990 1978-12-01 5.410281896110630 1979-01-01 5.338080627162240 1979-02-01 5.114638599484870 1979-03-01 5.198237878980560 1979-04-01 4.461941087561960 1979-05-01 4.454147318780930 1979-06-01 4.170288514077470 1979-07-01 4.227781754773450 1979-08-01 3.951889742648020 1979-09-01 4.486625094573730 1979-10-01 4.909561014675030 1979-11-01 4.987102465633280 1979-12-01 5.218134742746960 1980-01-01 5.658782411787740 1980-02-01 5.620806413253560 1980-03-01 5.778895216227540 1980-04-01 6.113902958858200 1980-05-01 6.521740799999100 1980-06-01 6.839031115649810 1980-07-01 6.870861770228120 1980-08-01 6.942149467543900 1980-09-01 6.523535764801420 1980-10-01 6.321838515717710 1980-11-01 6.306305772341140 1980-12-01 6.422763333504850 1981-01-01 7.513990173092910 1981-02-01 7.704526018965370 1981-03-01 7.680127553209040 1981-04-01 7.892660292781580 1981-05-01 7.770798966203200 1981-06-01 7.728337836992770 1981-07-01 8.055770528317720 1981-08-01 8.037094125042000 1981-09-01 7.906976834507840 1981-10-01 7.876448024164250 1981-11-01 7.858243633191640 1981-12-01 7.715813880816020 1982-01-01 7.286243897617700 1982-02-01 7.374631710456380 1982-03-01 7.720587866599760 1982-04-01 7.388442105605220 1982-05-01 7.137655504402140 1982-06-01 7.246377191602790 1982-07-01 7.240143612328100 1982-08-01 7.224606852847480 1982-09-01 7.399425228460610 1982-10-01 7.229778358343640 1982-11-01 7.214286005408400 1982-12-01 7.304964513806390 1983-01-01 5.613306575755340 1983-02-01 5.219779899415030 1983-03-01 4.914675930029280 1983-04-01 4.700273047865530 1983-05-01 4.554725519637500 1983-06-01 4.391891072268200 1983-07-01 4.478608568524930 1983-08-01 4.402936235340790 1983-09-01 4.414714782550860 1983-10-01 4.205606938310800 1983-11-01 4.130579218254530 1983-12-01 3.965631040662650 1984-01-01 7.545932036563140 1984-02-01 7.832897906674410 1984-03-01 7.547168137054330 1984-04-01 7.417044767046310 1984-05-01 7.282183485757360 1984-06-01 7.119742044832980 1984-07-01 6.909790070724600 1984-08-01 6.964855425426820 1984-09-01 6.854581706233710 1984-10-01 6.790518545177800 1984-11-01 6.781831259165510 1984-12-01 6.547997445839200 1985-01-01 3.721781288154710 1985-02-01 3.571428571428590 1985-03-01 3.750757546506960 1985-04-01 3.937008869624480 1985-05-01 3.878788984997930 1985-06-01 3.867068864486120 1985-07-01 3.770196990108840 1985-08-01 3.763440377485830 1985-09-01 3.717025982727110 1985-10-01 3.839233258366410 1985-11-01 3.954462903401750 1985-12-01 3.937948342244520 1986-01-01 4.058822369815350 1986-02-01 4.091175165194830 1986-03-01 3.906704612885810 1986-04-01 3.496503349045520 1986-05-01 3.267209865961600 1986-06-01 4.130308590070700 1986-07-01 4.036909260745100 1986-08-01 4.087507479530940 1986-09-01 4.046241528357690 1986-10-01 3.812824154074920 1986-11-01 3.746397019527080 1986-12-01 3.673937407926180 1987-01-01 1.808932904600070 1987-02-01 1.291410004184040 1987-03-01 1.459035158754310 1987-04-01 1.914413918475000 1987-05-01 2.542374373947480 1987-06-01 4.022346512920090 1987-07-01 5.986695669539080 1987-08-01 6.637167889550840 1987-09-01 4.500000788634720 1987-10-01 3.005008864415420 1987-11-01 2.500001469025490 1987-12-01 2.380952491038430 1988-01-01 3.442531564578460 1988-02-01 4.490021366425820 1988-03-01 4.867256657604000 1988-04-01 4.640884426496160 1988-05-01 3.746555483561580 1988-06-01 2.577872845126140 1988-07-01 3.713389372594880 1988-08-01 3.423237258827160 1988-09-01 2.498670626290210 1988-10-01 3.079416711955440 1988-11-01 3.414633690073790 1988-12-01 3.785830524488600 1989-01-01 4.079441490340780 1989-02-01 4.456233858859630 1989-03-01 3.639240954640860 1989-04-01 3.273494920712810 1989-05-01 3.717472476140660 1989-06-01 4.031413261595960 1989-07-01 3.731719563654580 1989-08-01 3.961885115133620 1989-09-01 3.423237258827160 1989-10-01 3.301886365818610 1989-11-01 3.406707969963500 1989-12-01 3.178738688435470 1990-01-01 3.094378424228710 1990-02-01 3.656678658447430 1990-03-01 3.664122264997450 1990-04-01 4.601226823627090 1990-05-01 3.840245622482260 1990-06-01 3.220936997510660 1990-07-01 3.208555484014860 1990-08-01 3.617944871217110 1990-09-01 3.761283690543600 1990-10-01 3.703703756006850 1990-11-01 3.801317657886780 1990-12-01 3.787878628132700 1991-01-01 3.951975466277660 1991-02-01 3.674669132765650 1991-03-01 4.123710340036240 1991-04-01 3.079179865052200 1991-05-01 3.451676853450120 1991-06-01 3.607996029987450 1991-07-01 3.768253225102140 1991-08-01 3.677840667847910 1991-09-01 3.914934051455720 1991-10-01 3.767122965887900 1991-11-01 3.906250775106100 1991-12-01 3.746958304621560 1992-01-01 4.379211885076690 1992-02-01 4.962192625166550 1992-03-01 4.997643675710490 1992-04-01 4.457088115672690 1992-05-01 5.004766236184780 1992-06-01 5.035293723153150 1992-07-01 4.993190484212290 1992-08-01 4.714862836239600 1992-09-01 4.651163061663060 1992-10-01 4.714757466574290 1992-11-01 4.793233147860740 1992-12-01 4.971857137771130 1993-01-01 5.624711432262180 1993-02-01 4.952724651614870 1993-03-01 5.388414669988120 1993-04-01 6.218792140950420 1993-05-01 5.719472713489240 1993-06-01 5.376343871475160 1993-07-01 4.928664387915230 1993-08-01 5.102915816339020 1993-09-01 5.333333135401470 1993-10-01 5.673120759503560 1993-11-01 5.470851623896430 1993-12-01 5.406614019878270 1994-01-01 4.714098216799450 1994-02-01 4.590304233768960 1994-03-01 4.260758631772920 1994-04-01 3.632478899352350 1994-05-01 3.606698513941130 1994-06-01 3.571428909550150 1994-07-01 3.543469479452030 1994-08-01 4.079967572003500 1994-09-01 3.628692168455540 1994-10-01 3.664252399605770 1994-11-01 3.486395056954970 1994-12-01 3.136922365235370 1995-01-01 2.959566690129810 1995-02-01 2.789171874403480 1995-03-01 3.064977388692460 1995-04-01 4.000000459120270 1995-05-01 3.191048218224020 1995-06-01 3.325122558885900 1995-07-01 3.621169703551820 1995-08-01 3.841629986250640 1995-09-01 3.786644584289990 1995-10-01 3.575831235121860 1995-11-01 3.533277564367240 1995-12-01 3.575831235121860 1996-01-01 3.036437132905930 1996-02-01 2.713486918769200 1996-03-01 2.854877180581260 1996-04-01 1.982553076455680 1996-05-01 2.650602991453060 1996-06-01 2.542710295866000 1996-07-01 2.227342611495810 1996-08-01 1.963005397779400 1996-09-01 2.314633184773770 1996-10-01 2.301587372592830 1996-11-01 2.658730659713620 1996-12-01 2.777778053910420 1997-01-01 2.907662049425000 1997-02-01 2.175602383975840 1997-03-01 1.387817551867030 1997-04-01 2.060653614412100 1997-05-01 2.973395741977940 1997-06-01 2.402169455980520 1997-07-01 0.150262675799240 1997-08-01 -1.480933271259320 1997-09-01 1.725461132259550 1997-10-01 2.598914374642360 1997-11-01 2.357943402605850 1997-12-01 2.548263101784070 1998-01-01 1.412753474910790 1998-02-01 1.482890099629280 1998-03-01 1.368820816324450 1998-04-01 1.752380807365570 1998-05-01 1.291792982792970 1998-06-01 1.172909455308530 1998-07-01 1.162791632456450 1998-08-01 1.465614793877380 1998-09-01 1.168488382965240 1998-10-01 1.172022568931510 1998-11-01 0.868580519303970 1998-12-01 1.167168556722900 1999-01-01 1.242469618708480 1999-02-01 1.161483582977860 1999-03-01 1.462866084154420 1999-04-01 0.973418433423289 1999-05-01 1.350338164767680 1999-06-01 1.346297212690290 1999-07-01 1.260659662728960 1999-08-01 1.148148032077000 1999-09-01 0.968702626370338 1999-10-01 1.083707054174300 1999-11-01 1.085735704490320 1999-12-01 1.749162426729940 2000-01-01 1.492749774071260 2000-02-01 2.058610837568830 2000-03-01 2.044891335053100 2000-04-01 2.770719443438860 2000-05-01 2.086081167520290 2000-06-01 3.191835316553660 2000-07-01 3.468494898168470 2000-08-01 3.570414219384160 2000-09-01 3.253460778074470 2000-10-01 3.063590966208710 2000-11-01 3.171977501251380 2000-12-01 2.611765174436350 2001-01-01 3.314635390107070 2001-02-01 2.888888888888880 2001-03-01 2.762932338408780 2001-04-01 3.052821851777460 2001-05-01 3.562058526740670 2001-06-01 2.846620881855290 2001-07-01 3.358944050433420 2001-08-01 3.040740011808700 2001-09-01 3.571073311449320 2001-10-01 3.773961661341870 2001-11-01 3.796962430055980 2001-12-01 3.799980156761570 2002-01-01 3.326752221125370 2002-02-01 3.367366974278440 2002-03-01 3.414777745069190 2002-04-01 3.206002728512960 2002-05-01 3.946214557147050 2002-06-01 4.016258588986740 2002-07-01 3.183074430572750 2002-08-01 3.590870021965420 2002-09-01 2.842873607376100 2002-10-01 2.318645372330180 2002-11-01 1.963804389680420 2002-12-01 2.188874020263810 2003-01-01 2.445781981465550 2003-02-01 1.557602811283120 2003-03-01 1.337887845146590 2003-04-01 1.076385610423950 2003-05-01 0.553055868016483 2003-06-01 0.325641979903233 2003-07-01 0.840491364182146 2003-08-01 1.032543560431480 2003-09-01 1.624953305939500 2003-10-01 1.457451810061130 2003-11-01 1.567220543806640 2003-12-01 1.468524927509120 2004-01-01 0.923249090739546 2004-02-01 2.225755166931620 2004-03-01 2.631086142322100 2004-04-01 2.204577300326960 2004-05-01 2.395823622634470 2004-06-01 2.837800241120280 2004-07-01 2.179886426085370 2004-08-01 2.043982115156500 2004-09-01 2.086013600441080 2004-10-01 2.974976830398490 2004-11-01 2.862985685071550 2004-12-01 2.544247787610630 2005-01-01 3.492884864165600 2005-02-01 3.184630940194450 2005-03-01 3.108433892441900 2005-04-01 2.677133226550160 2005-05-01 2.583851899432860 2005-06-01 2.325929305675530 2005-07-01 2.521836000519570 2005-08-01 2.375371006500130 2005-09-01 1.836503325137340 2005-10-01 1.411306746770830 2005-11-01 1.517306581572880 2005-12-01 1.495988165332670 2006-01-01 1.109989909182640 2006-02-01 1.102204408817650 2006-03-01 0.900000000000004 2006-04-01 1.609657947686120 2006-05-01 1.103309929789370 2006-06-01 0.896414342629459 2006-07-01 1.383399209486170 2006-08-01 1.382033563672290 2006-09-01 1.598401598401630 2006-10-01 1.705115346038130 2006-11-01 1.710261569416480 2006-12-01 1.701701701701700 2007-01-01 1.796407185628750 2007-02-01 1.982160555004960 2007-03-01 1.387512388503450 2007-04-01 1.287128712871270 2007-05-01 1.388888888888890 2007-06-01 1.579466929911180 2007-07-01 1.461988304093560 2007-08-01 1.363193768257040 2007-09-01 1.081612586037350 2007-10-01 1.084812623274150 2007-11-01 1.088031651829880 2007-12-01 1.377952755905520 2008-01-01 1.078431372549010 2008-02-01 0.583090379008731 2008-03-01 1.466275659824060 2008-04-01 1.368523949169120 2008-05-01 2.348336594911940 2008-06-01 2.137998056365390 2008-07-01 2.305475504322770 2008-08-01 2.497598463016330 2008-09-01 2.723735408560320 2008-10-01 2.731707317073170 2008-11-01 2.446183953033260 2008-12-01 2.427184466019410 2009-01-01 2.327837051406410 2009-02-01 2.415458937198080 2009-03-01 2.215799614643540 2009-04-01 2.314368370298950 2009-05-01 1.625239005736120 2009-06-01 1.236917221693630 2009-07-01 0.938967136150236 2009-08-01 0.937207122774134 2009-09-01 1.041666666666650 2009-10-01 0.949667616334284 2009-11-01 0.764087870105068 2009-12-01 0.947867298578200 2010-01-01 1.042654028436030 2010-02-01 0.943396226415096 2010-03-01 1.319509896324230 2010-04-01 0.848256361922731 2010-05-01 1.034807149576680 2010-06-01 1.315789473684200 2010-07-01 1.395348837209300 2010-08-01 1.021355617455900 2010-09-01 1.124648547328960 2010-10-01 1.411100658513640 2010-11-01 1.706161137440750 2010-12-01 1.502347417840380 2011-01-01 1.594746716697920 2011-02-01 1.919933045055070 2011-03-01 1.947101700798340 2011-04-01 2.927047007950870 2011-05-01 2.844714972622890 2011-06-01 3.362777946999700 2011-07-01 3.312337395590820 2011-08-01 3.601294995610180 2011-09-01 3.266982972071990 2011-10-01 2.862957937584810 2011-11-01 2.739703161730940 2011-12-01 2.876551562262680 2012-01-01 2.786069651741280 2012-02-01 2.667984189723340 2012-03-01 2.458210422812180 2012-04-01 1.956947162426620 2012-05-01 1.951219512195120 2012-06-01 1.934235976789160 2012-07-01 1.818181818181840 2012-08-01 1.720841300191210 2012-09-01 2.224371373307530 2012-10-01 2.721088435374130 2012-11-01 3.421309872922800 2012-12-01 3.197674418604640 2013-01-01 3.291384317521790 2013-02-01 3.176130895091430 2013-03-01 3.166986564299420 2013-04-01 2.975047984644900 2013-05-01 2.870813397129200 2013-06-01 2.561669829222010 2013-07-01 2.537593984962390 2013-08-01 2.537593984962390 2013-09-01 2.459791863765370 2013-10-01 1.986754966887430 2013-11-01 2.079395085066160 2013-12-01 2.723004694835690 2014-01-01 2.436738519212740 2014-02-01 2.518656716417890 2014-03-01 2.511627906976750 2014-04-01 2.702702702702710 2014-05-01 2.790697674418610 2014-06-01 2.867715078630910 2014-07-01 2.841429880843280 2014-08-01 3.116406966086170 2014-09-01 3.047091412742380 2014-10-01 2.968460111317260 2014-11-01 3.148148148148140 2014-12-01 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