Month Growth rate same period previous year 1997-01-01 0.6862745098039440 1997-02-01 0.8814887365328430 1997-03-01 1.2720156555772900 1997-04-01 0.8780487804878180 1997-05-01 1.0752688172043200 1997-06-01 0.9784735812133160 1997-07-01 5.3278688524590100 1997-08-01 5.1072522982635200 1997-09-01 3.5389282103134300 1997-10-01 3.4136546184739000 1997-11-01 2.1696252465483100 1997-12-01 1.9685039370078700 1998-01-01 1.2658227848101200 1998-02-01 0.9708737864077760 1998-03-01 0.2898550724637910 1998-04-01 0.3868471953578330 1998-05-01 -0.1934235976789260 1998-06-01 -0.0968992248061969 1998-07-01 -0.5836575875486470 1998-08-01 -0.7774538386783640 1998-09-01 -1.0742187500000000 1998-10-01 -1.6504854368932200 1998-11-01 -2.5096525096525200 1998-12-01 -2.6061776061775900 1999-01-01 -5.0961538461538600 1999-02-01 -4.8076923076923100 1999-03-01 -4.7206165703275500 1999-04-01 -4.4315992292870800 1999-05-01 -3.6821705426356500 1999-06-01 -3.6857419980601200 1999-07-01 -1.8590998043052900 1999-08-01 -1.5670910871694000 1999-09-01 1.8756169792695000 1999-10-01 2.2704837117472900 1999-11-01 4.1584158415841800 1999-12-01 5.0545094152626200 2000-01-01 7.7001013171225900 2000-02-01 7.6767676767676700 2000-03-01 9.9089989888776400 2000-04-01 8.9717741935483800 2000-05-01 11.1670020120724000 2000-06-01 11.5810674723061000 2000-07-01 12.2632103688933000 2000-08-01 12.3383084577114000 2000-09-01 13.0813953488372000 2000-10-01 12.3552123552124000 2000-11-01 12.8326996197719000 2000-12-01 11.6981132075472000 2001-01-01 11.8532455315146000 2001-02-01 11.4446529080675000 2001-03-01 9.1076356945722200 2001-04-01 9.5282146160962000 2001-05-01 5.2488687782805300 2001-06-01 5.1444043321299600 2001-07-01 2.4866785079929300 2001-08-01 1.9486271036315200 2001-09-01 -1.3710368466152700 2001-10-01 -1.3745704467354300 2001-11-01 -1.8534119629317700 2001-12-01 -1.7736486486486600 2002-01-01 -4.1211101766190000 2002-02-01 -4.0404040404040200 2002-03-01 -4.7217537942664200 2002-04-01 -4.9831081081081100 2002-05-01 -3.5253654342218300 2002-06-01 -3.8626609442060000 2002-07-01 -1.8197573656846000 2002-08-01 -1.5638575152041800 2002-09-01 -1.0425716768027800 2002-10-01 -0.5226480836236680 2002-11-01 -2.0600858369098700 2002-12-01 -1.8056749785038500 2003-01-01 2.1929824561403500 2003-02-01 3.1578947368420900 2003-03-01 4.8672566371681300 2003-04-01 5.8666666666666700 2003-05-01 5.2584670231729100 2003-06-01 5.0892857142857100 2003-07-01 3.7069726390115000 2003-08-01 3.7069726390115000 2003-09-01 3.3362598770851700 2003-10-01 2.8021015761821300 2003-11-01 3.0674846625766700 2003-12-01 2.9772329246934900 2004-01-01 0.9442060085836780 2004-02-01 -0.5102040816326610 2004-03-01 -1.1814345991561300 2004-04-01 -2.3509655751469500 2004-05-01 -1.3547840812870400 2004-06-01 -1.0195412064570900 2004-07-01 -0.5106382978723480 2004-08-01 0.0000000000000000 2004-09-01 0.2548853016142770 2004-10-01 2.2998296422487100 2004-11-01 2.4659863945578500 2004-12-01 2.4659863945578500 2005-01-01 3.8265306122448900 2005-02-01 4.5299145299145600 2005-03-01 5.5508112724167500 2005-04-01 7.9965606190885700 2005-05-01 7.1244635193133000 2005-06-01 7.8111587982832600 2005-07-01 9.9230111206158900 2005-08-01 9.8723404255318900 2005-09-01 10.2542372881356000 2005-10-01 10.9908409658618000 2005-11-01 10.2904564315353000 2005-12-01 10.1244813278008000 2006-01-01 10.0737100737101000 2006-02-01 10.7113654946852000 2006-03-01 10.2750809061489000 2006-04-01 10.8280254777070000 2006-05-01 11.2980769230769000 2006-06-01 10.4299363057325000 2006-07-01 11.2062256809339000 2006-08-01 10.9992254066615000 2006-09-01 9.7617217524980900 2006-10-01 7.0517629407351600 2006-11-01 7.1482317531978900 2006-12-01 7.3097211755840300 2007-01-01 6.1755952380952200 2007-02-01 5.3175775480058900 2007-03-01 4.3286867204695200 2007-04-01 1.1494252873563300 2007-05-01 1.0799136069114500 2007-06-01 1.4419610670511800 2007-07-01 -1.6794961511546500 2007-08-01 -2.0935101186322200 2007-09-01 -1.4705882352941400 2007-10-01 0.0000000000000000 2007-11-01 1.4044943820224700 2007-12-01 1.6853932584269600 2008-01-01 4.6250875963560100 2008-02-01 5.1192145862552800 2008-03-01 6.0478199718706400 2008-04-01 9.9431818181818100 2008-05-01 11.7521367521368000 2008-06-01 12.8642501776830000 2008-07-01 16.1565836298932000 2008-08-01 15.3955808980755000 2008-09-01 14.2146410803127000 2008-10-01 13.6650315346882000 2008-11-01 10.8725761772853000 2008-12-01 10.3591160220994000 2009-01-01 4.7555257870060400 2009-02-01 4.3362241494329600 2009-03-01 3.2493368700265100 2009-04-01 -2.3255813953488400 2009-05-01 -4.3977055449330800 2009-06-01 -5.2267002518891800 2009-07-01 -9.8039215686274500 2009-08-01 -9.4502779493514600 2009-09-01 -9.0852520224019900 2009-10-01 -10.5425400739827000 2009-11-01 -9.6814490943160700 2009-12-01 -9.8873591989987500 2010-01-01 -8.3120204603580600 2010-02-01 -8.1202046035806000 2010-03-01 -7.3217726396917000 2010-04-01 -3.6375661375661500 2010-05-01 -2.3333333333333300 2010-06-01 -2.5913621262458500 2010-07-01 0.8831521739130660 2010-08-01 1.2278308321964500 2010-09-01 1.5742642026009500 2010-10-01 2.2742935906271400 2010-11-01 2.8354080221300100 2010-12-01 3.8888888888888900 2011-01-01 5.2066248256671600 2011-02-01 5.6003479471167500 2011-03-01 6.1792792792839800 2011-04-01 7.5787920384399300 2011-05-01 6.8910580204825800 2011-06-01 6.5175306957755300 2011-07-01 7.6277441077488900 2011-08-01 7.8982479784414700 2011-09-01 8.0962264150991600 2011-10-01 10.6699460916491000 2011-11-01 11.1381977135221000 2011-12-01 10.9605614973312000 2012-01-01 13.8266796494644000 2012-02-01 13.4559535333979000 2012-03-01 12.7516778523490000 2012-04-01 12.4648547328960000 2012-05-01 13.9774859287054000 2012-06-01 13.9228598306679000 2012-07-01 12.5000000000000000 2012-08-01 12.6605504587156000 2012-09-01 12.9120879120879000 2012-10-01 11.4490161001789000 2012-11-01 10.6666666666667000 2012-12-01 10.0884955752212000 2013-01-01 7.1856287425149600 2013-02-01 6.9965870307167100 2013-03-01 6.5476190476190400 2013-04-01 2.3333333333333400 2013-05-01 0.6584362139917640 2013-06-01 0.9083402146985890 2013-07-01 0.1633986928104560 2013-08-01 -0.0814332247556997 2013-09-01 -0.5677210056772260 2013-10-01 -2.3274478330658100 2013-11-01 -2.4096385542168700 2013-12-01 -2.6527331189710600 2014-01-01 -2.9529130087789100 2014-02-01 -3.1100478468899500 2014-03-01 -3.1125299281723600 2014-04-01 -3.0944625407166100 2014-05-01 -2.7800490596892900 2014-06-01 -2.7823240589198000 2014-07-01 -5.7096247960848200 2014-08-01 -5.8679706601466900 2014-09-01 -5.8727569331158100 2014-10-01 -2.4650780608052600 2014-11-01 -2.3868312757201700 2014-12-01 -2.1469859620148700 2015-01-01 -3.6184210526315700 2015-02-01 -3.6213991769547500 2015-03-01 -3.4596375617792400 2015-04-01 -3.6974789915966500 2015-05-01 -3.7005887300252300 2015-06-01 -3.6195286195286200 2015-07-01 -1.3840830449826900 2015-08-01 -1.3852813852813900 2015-09-01 -1.5597920277296600 2015-10-01 -2.2746419545071600 2015-11-01 -2.1079258010118100 2015-12-01 -2.0253164556962100 2016-01-01 -2.5204778156996300 2016-02-01 -2.5357813834329000 2016-03-01 -2.7174061433446800 2016-04-01 -5.9479930191971400 2016-05-01 -6.2689956331877200 2016-06-01 -6.3697816593886000 2016-07-01 -5.5542105263157600 2016-08-01 -5.4712906057945200 2016-09-01 -3.5963028169013500 2016-10-01 -5.4913793103447800 2016-11-01 -5.4733850129198600 2016-12-01 -5.3739879414297500 2017-01-01 -2.5252525252525300 2017-02-01 -1.3144590495450100 2017-03-01 -1.0121457489878600 2017-04-01 5.2462526766595200 2017-05-01 5.4838709677419300 2017-06-01 5.5974165769644700 2017-07-01 4.5016077170418000 2017-08-01 4.3944265809217700 2017-09-01 2.7397260273972500 2017-10-01 3.5789473684210600 2017-11-01 3.5751840168244000 2017-12-01 3.4663865546218400 2018-01-01 6.0103626943005100 2018-02-01 4.8155737704918000 2018-03-01 4.7034764826175900 2018-04-01 -1.0172939979654100 2018-05-01 -0.9174311926605400 2018-06-01 -0.8154943934760460 2018-07-01 5.2307692307692400 2018-08-01 5.4414784394250600 2018-09-01 5.3333333333333500