Month Growth rate same period previous year 1980-01-01 2.339181286549710 1980-02-01 3.508771929824550 1980-03-01 2.923976608187140 1980-04-01 4.093567251461990 1980-05-01 5.847953216374270 1980-06-01 7.558139534883730 1980-07-01 9.302325581395360 1980-08-01 10.465116279069800 1980-09-01 10.982658959537600 1980-10-01 10.982658959537600 1980-11-01 11.560693641618500 1980-12-01 11.560693641618500 1981-01-01 20.571428571428600 1981-02-01 19.774011299435000 1981-03-01 21.022727272727300 1981-04-01 19.662921348314600 1981-05-01 18.784530386740300 1981-06-01 18.378378378378400 1981-07-01 20.744680851063800 1981-08-01 23.684210526315800 1981-09-01 23.437500000000000 1981-10-01 24.479166666666700 1981-11-01 23.834196891191700 1981-12-01 23.834196891191700 1982-01-01 19.431279620853100 1982-02-01 21.698113207547200 1982-03-01 21.126760563380300 1982-04-01 23.004694835680700 1982-05-01 22.325581395348800 1982-06-01 22.831050228310500 1982-07-01 22.466960352422900 1982-08-01 18.297872340425500 1982-09-01 17.721518987341800 1982-10-01 17.991631799163200 1982-11-01 20.083682008368200 1982-12-01 20.502092050209200 1983-01-01 16.269841269841300 1983-02-01 13.565891472868200 1983-03-01 13.953488372093000 1983-04-01 12.977099236641200 1983-05-01 12.927756653992400 1983-06-01 12.639405204461000 1983-07-01 8.992805755395670 1983-08-01 8.992805755395670 1983-09-01 9.318996415770620 1983-10-01 8.510638297872350 1983-11-01 6.620209059233460 1983-12-01 6.944444444444430 1984-01-01 6.143344709897600 1984-02-01 6.143344709897600 1984-03-01 6.802721088435380 1984-04-01 6.081081081081070 1984-05-01 5.723905723905730 1984-06-01 4.950495049504960 1984-07-01 6.270627062706280 1984-08-01 6.270627062706280 1984-09-01 5.573770491803280 1984-10-01 5.882352941176480 1984-11-01 5.882352941176480 1984-12-01 5.519480519480520 1985-01-01 5.144694533762060 1985-02-01 5.144694533762060 1985-03-01 4.140127388535040 1985-04-01 5.095541401273890 1985-05-01 5.095541401273890 1985-06-01 5.031446540880510 1985-07-01 4.347826086956520 1985-08-01 5.590062111801250 1985-09-01 5.900621118012430 1985-10-01 5.864197530864180 1985-11-01 5.555555555555560 1985-12-01 5.846153846153830 1986-01-01 6.422018348623840 1986-02-01 6.422018348623840 1986-03-01 6.422018348623840 1986-04-01 7.575757575757560 1986-05-01 7.272727272727260 1986-06-01 8.383233532934140 1986-07-01 11.011904761904800 1986-08-01 9.705882352941170 1986-09-01 9.384164222873890 1986-10-01 10.204081632653100 1986-11-01 10.526315789473700 1986-12-01 10.174418604651200 1987-01-01 11.781609195402300 1987-02-01 11.781609195402300 1987-03-01 13.218390804597700 1987-04-01 10.985915492957800 1987-05-01 11.581920903954800 1987-06-01 10.220994475138100 1987-07-01 6.970509383378020 1987-08-01 6.970509383378020 1987-09-01 7.506702412868640 1987-10-01 6.878306878306870 1987-11-01 6.878306878306870 1987-12-01 7.124010554089720 1988-01-01 6.683804627249360 1988-02-01 6.683804627249360 1988-03-01 5.329949238578680 1988-04-01 6.345177664974610 1988-05-01 6.075949367088600 1988-06-01 6.516290726817040 1988-07-01 6.766917293233090 1988-08-01 7.017543859649130 1988-09-01 6.483790523690780 1988-10-01 6.435643564356440 1988-11-01 6.435643564356440 1988-12-01 5.911330049261080 1989-01-01 5.301204819277110 1989-02-01 5.301204819277110 1989-03-01 5.301204819277110 1989-04-01 4.773269689737470 1989-05-01 4.773269689737470 1989-06-01 4.235294117647060 1989-07-01 4.694835680751160 1989-08-01 4.449648711943780 1989-09-01 4.449648711943780 1989-10-01 3.720930232558140 1989-11-01 3.720930232558140 1989-12-01 3.720930232558140 1990-01-01 2.745995423340950 1990-02-01 2.974828375286030 1990-03-01 2.745995423340950 1990-04-01 2.961275626423690 1990-05-01 2.961275626423690 1990-06-01 2.483069977426640 1990-07-01 3.139013452914800 1990-08-01 3.139013452914800 1990-09-01 3.139013452914800 1990-10-01 4.932735426008960 1990-11-01 4.932735426008960 1990-12-01 4.932735426008960 1991-01-01 5.122494432071270 1991-02-01 4.888888888888890 1991-03-01 5.122494432071270 1991-04-01 5.088495575221240 1991-05-01 5.088495575221240 1991-06-01 5.286343612334800 1991-07-01 4.999999999999990 1991-08-01 4.999999999999990 1991-09-01 4.999999999999990 1991-10-01 3.418803418803420 1991-11-01 3.418803418803420 1991-12-01 3.418803418803420 1992-01-01 3.389830508474570 1992-02-01 3.389830508474570 1992-03-01 3.389830508474570 1992-04-01 3.999999999999990 1992-05-01 3.999999999999990 1992-06-01 3.974895397489560 1992-07-01 3.519668737060040 1992-08-01 3.519668737060040 1992-09-01 3.519668737060040 1992-10-01 3.719008264462810 1992-11-01 3.719008264462810 1992-12-01 3.719008264462810 1993-01-01 4.508196721311480 1993-02-01 4.918032786885250 1993-03-01 4.918032786885250 1993-04-01 4.048582995951420 1993-05-01 4.251012145748990 1993-06-01 3.822937625754520 1993-07-01 3.400000000000000 1993-08-01 3.600000000000000 1993-09-01 3.600000000000000 1993-10-01 3.187250996015940 1993-11-01 3.187250996015940 1993-12-01 3.386454183266940 1994-01-01 1.764705882352940 1994-02-01 1.562500000000000 1994-03-01 1.367187500000000 1994-04-01 0.972762645914398 1994-05-01 0.970873786407768 1994-06-01 0.968992248062016 1994-07-01 0.773694390715668 1994-08-01 0.579150579150580 1994-09-01 0.772200772200773 1994-10-01 0.965250965250966 1994-11-01 1.158301158301160 1994-12-01 0.963391136801542 1995-01-01 1.156069364161850 1995-02-01 0.769230769230770 1995-03-01 0.963391136801542 1995-04-01 1.156069364161850 1995-05-01 1.346153846153850 1995-06-01 1.535508637236090 1995-07-01 1.727447216890600 1995-08-01 2.111324376199620 1995-09-01 2.298850574712650 1995-10-01 2.103250478011470 1995-11-01 2.099236641221380 1995-12-01 2.290076335877860 1996-01-01 1.904761904761910 1996-02-01 2.099236641221380 1996-03-01 2.290076335877860 1996-04-01 2.095238095238100 1996-05-01 2.087286527514230 1996-06-01 2.079395085066160 1996-07-01 2.452830188679250 1996-08-01 2.067669172932330 1996-09-01 1.872659176029960 1996-10-01 2.059925093632960 1996-11-01 2.056074766355140 1996-12-01 2.052238805970150 1997-01-01 2.429906542056060 1997-02-01 2.616822429906540 1997-03-01 2.611940298507460 1997-04-01 2.611940298507460 1997-05-01 2.416356877323420 1997-06-01 2.962962962962970 1997-07-01 2.578268876611420 1997-08-01 2.578268876611420 1997-09-01 2.389705882352940 1997-10-01 2.752293577981650 1997-11-01 2.564102564102570 1997-12-01 2.559414990859230 1998-01-01 3.284671532846740 1998-02-01 3.642987249544610 1998-03-01 3.636363636363640 1998-04-01 3.818181818181820 1998-05-01 4.355716878402910 1998-06-01 4.316546762589910 1998-07-01 4.488330341113110 1998-08-01 4.847396768402140 1998-09-01 5.745062836624760 1998-10-01 5.178571428571410 1998-11-01 5.357142857142840 1998-12-01 5.347593582887700 1999-01-01 5.300353356890440 1999-02-01 4.920913884007050 1999-03-01 4.912280701754370 1999-04-01 4.728546409807340 1999-05-01 3.999999999999980 1999-06-01 3.275862068965520 1999-07-01 1.890034364261150 1999-08-01 2.054794520547950 1999-09-01 2.037351443123940 1999-10-01 2.546689303904930 1999-11-01 2.542372881355930 1999-12-01 2.368866328257170 2000-01-01 2.684563758389260 2000-02-01 2.680067001675030 2000-03-01 2.173913043478260 2000-04-01 2.508361204013380 2000-05-01 2.508361204013380 2000-06-01 3.171953255425710 2000-07-01 4.215851602023610 2000-08-01 4.362416107382550 2000-09-01 3.826955074875210 2000-10-01 3.642384105960270 2000-11-01 3.636363636363640 2000-12-01 3.636363636363640 2001-01-01 3.758169934640530 2001-02-01 3.752039151712890 2001-03-01 4.418985270049100 2001-04-01 4.241435562805880 2001-05-01 4.567699836867850 2001-06-01 4.368932038834960 2001-07-01 4.368932038834960 2001-08-01 4.340836012861740 2001-09-01 4.807692307692310 2001-10-01 4.632587859424920 2001-11-01 4.465709728867630 2001-12-01 4.784688995215320 2002-01-01 4.566929133858270 2002-02-01 4.559748427672960 2002-03-01 4.545454545454550 2002-04-01 4.381846635367770 2002-05-01 4.524180967238710 2002-06-01 4.651162790697680 2002-07-01 3.720930232558140 2002-08-01 4.006163328197230 2002-09-01 3.975535168195720 2002-10-01 3.816793893129770 2002-11-01 3.816793893129770 2002-12-01 3.805175038051750 2003-01-01 3.162650602409640 2003-02-01 3.157894736842090 2003-03-01 3.148425787106430 2003-04-01 3.598200899550210 2003-05-01 3.134328358208940 2003-06-01 2.814814814814820 2003-07-01 3.288490284005970 2003-08-01 2.814814814814820 2003-09-01 2.352941176470570 2003-10-01 2.205882352941180 2003-11-01 3.088235294117630 2003-12-01 2.785923753665680 2004-01-01 2.919708029197070 2004-02-01 3.061224489795940 2004-03-01 2.906976744186050 2004-04-01 2.170767004341540 2004-05-01 2.460202604920410 2004-06-01 2.017291066282410 2004-07-01 2.026049204052100 2004-08-01 2.017291066282410 2004-09-01 2.155172413793110 2004-10-01 2.589928057553940 2004-11-01 1.711840228245370 2004-12-01 1.569186875891600 2005-01-01 1.702127659574490 2005-02-01 1.697312588401700 2005-03-01 1.694915254237290 2005-04-01 1.983002832861190 2005-05-01 1.836158192090400 2005-06-01 1.836158192090400 2005-07-01 1.276595744680870 2005-08-01 1.412429378531080 2005-09-01 1.125175808720130 2005-10-01 1.823281907433380 2005-11-01 1.963534361851350 2005-12-01 2.106741573033710 2006-01-01 2.510460251046010 2006-02-01 2.642559109874810 2006-03-01 2.361111111111110 2006-04-01 2.500000000000000 2006-05-01 2.357836338418860 2006-06-01 3.051317614424410 2006-07-01 2.941176470588220 2006-08-01 3.481894150417830 2006-09-01 4.589707927677320 2006-10-01 3.856749311294780 2006-11-01 3.988995873452530 2006-12-01 3.988995873452530 2007-01-01 1.904761904761920 2007-02-01 3.794037940379410 2007-03-01 4.206241519674360 2007-04-01 4.200542005420070 2007-05-01 4.471544715447140 2007-06-01 4.172274562584120 2007-07-01 4.761904761904770 2007-08-01 5.248990578734860 2007-09-01 4.521276595744670 2007-10-01 4.376657824933680 2007-11-01 4.497354497354500 2007-12-01 4.894179894179900 2008-01-01 6.542056074766340 2008-02-01 4.699738903394260 2008-03-01 4.687500000000000 2008-04-01 5.071521456436910 2008-05-01 5.317769130998720 2008-06-01 5.555555555555560 2008-07-01 4.675324675324670 2008-08-01 4.731457800511510 2008-09-01 5.216284987277370 2008-10-01 5.590851334180420 2008-11-01 5.063291139240510 2008-12-01 4.161412358133660 2009-01-01 4.761904761904750 2009-02-01 4.114713216957600 2009-03-01 4.104477611940300 2009-04-01 3.589108910891110 2009-05-01 3.571428571428560 2009-06-01 4.161566707466330 2009-07-01 3.970223325062040 2009-08-01 3.785103785103780 2009-09-01 3.143893591293820 2009-10-01 2.767749699157660 2009-11-01 3.132530120481920 2009-12-01 3.510895883777240 2010-01-01 2.631578947368420 2010-02-01 3.233532934131750 2010-03-01 3.345280764635590 2010-04-01 3.942652329749090 2010-05-01 3.329369797859710 2010-06-01 2.820211515863690 2010-07-01 3.221957040572800 2010-08-01 2.705882352941180 2010-09-01 3.165298944900360 2010-10-01 3.044496487119430 2010-11-01 2.803738317757010 2010-12-01 2.690058479532170 2011-01-01 3.030303030303050 2011-02-01 2.668213457076560 2011-03-01 2.774566473988450 2011-04-01 2.413793103448280 2011-05-01 2.991944764096650 2011-06-01 2.399999999999990 2011-07-01 3.352601156069380 2011-08-01 3.092783505154640 2011-09-01 2.840909090909090 2011-10-01 2.954545454545440 2011-11-01 3.295454545454550 2011-12-01 3.302961275626430 2012-01-01 2.714932126696820 2012-02-01 3.163841807909610 2012-03-01 3.037120359954980 2012-04-01 3.254769921436590 2012-05-01 3.351955307262570 2012-06-01 3.794642857142870 2012-07-01 3.131991051454130 2012-08-01 3.222222222222220 2012-09-01 3.093922651933690 2012-10-01 3.200883002207520 2012-11-01 2.970297029702960 2012-12-01 3.307607497243660 2013-01-01 3.414096916299560 2013-02-01 3.395399780941950 2013-03-01 3.493449781659390 2013-04-01 3.043478260869560 2013-05-01 2.810810810810800 2013-06-01 2.580645161290320 2013-07-01 2.711496746203910 2013-08-01 2.691065662002160 2013-09-01 2.679528403001070 2013-10-01 2.566844919786100 2013-11-01 2.777777777777790 2013-12-01 2.774813233724640 2014-01-01 2.981895633652820 2014-02-01 2.648305084745760 2014-03-01 2.320675105485230 2014-04-01 2.426160337552740 2014-05-01 2.628811777076760 2014-06-01 2.515723270440240 2014-07-01 2.639915522703280 2014-08-01 2.201257861635210 2014-09-01 2.296450939457200 2014-10-01 2.398331595411890 2014-11-01 2.390852390852380 2014-12-01 2.284527518172380 2015-01-01 2.171664943123050 2015-02-01 2.373581011351910 2015-03-01 2.371134020618560 2015-04-01 2.368692070030910 2015-05-01 2.254098360655740 2015-06-01 2.147239263803690 2015-07-01 2.777777777777780 2015-08-01 2.564102564102570 2015-09-01 2.448979591836740 2015-10-01 2.749490835030550 2015-11-01 2.741116751269040 2015-12-01 2.741116751269040 2016-01-01 2.732793522267220 2016-02-01 2.822580645161280 2016-03-01 3.222557905337350 2016-04-01 3.219315895372220 2016-05-01 3.106212424849710 2016-06-01 3.403403403403380 2016-07-01 3.303303303303290 2016-08-01 3.800000000000000 2016-09-01 3.486055776892440 2016-10-01 3.171456888007910 2016-11-01 3.458498023715430 2016-12-01 3.656126482213450 2017-01-01 3.940886699507370 2017-02-01 4.215686274509800 2017-03-01 3.609756097560990 2017-04-01 3.996101364522410 2017-05-01 3.692905733722040 2017-06-01 3.872216844143280 2017-07-01 3.682170542635660 2017-08-01 3.564547206165700 2017-09-01 3.272377285851760 2017-10-01 3.170028818443820 2017-11-01 3.056351480420250 2017-12-01 2.669208770257370 2018-01-01 2.369668246445510 2018-02-01 2.163687676387590 2018-03-01 1.600753295668560 2018-04-01 2.530459231490170 2018-05-01 2.624179943767580 2018-06-01 2.889095992544280 2018-07-01 2.990654205607480 2018-08-01 3.255813953488390 2018-09-01 3.541472506989750 2018-10-01 3.445065176908740