Month Growth rate same period previous year 1997-01-01 2.72904483430798000 1997-02-01 2.02898550724639000 1997-03-01 1.92678227360308000 1997-04-01 1.92492781520695000 1997-05-01 3.06807286673058000 1997-06-01 2.96650717703353000 1997-07-01 2.96367112810706000 1997-08-01 2.76453765490944000 1997-09-01 2.85986653956150000 1997-10-01 2.95238095238095000 1997-11-01 2.85171102661598000 1997-12-01 2.65906932573600000 1998-01-01 2.65654648956358000 1998-02-01 2.84090909090910000 1998-03-01 2.83553875236294000 1998-04-01 2.83286118980169000 1998-05-01 1.58139534883722000 1998-06-01 1.48698884758362000 1998-07-01 1.57845868152277000 1998-08-01 1.57699443413728000 1998-09-01 1.39017608897127000 1998-10-01 1.20259019426459000 1998-11-01 1.29390018484286000 1998-12-01 1.48011100832564000 1999-01-01 1.66358595194085000 1999-02-01 1.47329650092081000 1999-03-01 1.47058823529413000 1999-04-01 1.56106519742881000 1999-05-01 1.73992673992675000 1999-06-01 1.92307692307692000 1999-07-01 2.19378427787933000 1999-08-01 2.28310502283106000 1999-09-01 2.65082266910419000 1999-10-01 3.10786106032905000 1999-11-01 3.28467153284675000 1999-12-01 3.19051959890611000 2000-01-01 3.09090909090909000 2000-02-01 3.44827586206898000 2000-03-01 3.35144927536231000 2000-04-01 2.89330922242314000 2000-05-01 2.61026102610263000 2000-06-01 2.51572327044026000 2000-07-01 2.14669051878355000 2000-08-01 2.14285714285715000 2000-09-01 1.86999109528051000 2000-10-01 1.68439716312056000 2000-11-01 1.59010600706714000 2000-12-01 1.59010600706714000 2001-01-01 2.46913580246914000 2001-02-01 2.28070175438594000 2001-03-01 2.36634531113057000 2001-04-01 3.33919156414763000 2001-05-01 3.59649122807015000 2001-06-01 3.59333917616127000 2001-07-01 3.76532399299474000 2001-08-01 3.75874125874125000 2001-09-01 3.93356643356643000 2001-10-01 3.83609415867482000 2001-11-01 3.91304347826087000 2001-12-01 4.08695652173911000 2002-01-01 3.18416523235799000 2002-02-01 3.60205831903945000 2002-03-01 3.42465753424659000 2002-04-01 3.14625850340138000 2002-05-01 3.04826418289586000 2002-06-01 3.13028764805414000 2002-07-01 3.03797468354429000 2002-08-01 3.20134793597304000 2002-09-01 3.28006728343143000 2002-10-01 3.35852225020988000 2002-11-01 3.51464435146442000 2002-12-01 3.42522974101922000 2003-01-01 4.42035029190993000 2003-02-01 4.05629139072848000 2003-03-01 4.13907284768211000 2003-04-01 3.79225061830174000 2003-05-01 3.69761709120787000 2003-06-01 3.60951599671861000 2003-07-01 3.43980343980344000 2003-08-01 3.26530612244898000 2003-09-01 3.25732899022803000 2003-10-01 3.16815597075551000 2003-11-01 2.99110751818916000 2003-12-01 2.90791599353795000 2004-01-01 2.23642172523961000 2004-02-01 2.14797136038186000 2004-03-01 2.30524642289348000 2004-04-01 2.38284352660841000 2004-05-01 2.37717908082407000 2004-06-01 3.08788598574821000 2004-07-01 3.08788598574821000 2004-08-01 3.16205533596837000 2004-09-01 2.99684542586751000 2004-10-01 2.91338582677164000 2004-11-01 3.06122448979594000 2004-12-01 3.21821036106751000 2005-01-01 2.96875000000000000 2005-02-01 3.34890965732087000 2005-03-01 3.26340326340328000 2005-04-01 3.10318076027929000 2005-05-01 3.17337461300313000 2005-06-01 2.53456221198157000 2005-07-01 2.61136712749618000 2005-08-01 2.45210727969350000 2005-09-01 2.60336906584993000 2005-10-01 2.60137719969395000 2005-11-01 2.43716679360242000 2005-12-01 2.50950570342206000 2006-01-01 2.57966616084976000 2006-02-01 2.26073850791259000 2006-03-01 2.33258088788562000 2006-04-01 2.55831452219715000 2006-05-01 2.92573143285819000 2006-06-01 2.77153558052435000 2006-07-01 2.84431137724551000 2006-08-01 2.91697830964845000 2006-09-01 2.68656716417908000 2006-10-01 2.83370618941090000 2006-11-01 2.82527881040895000 2006-12-01 2.59643916913948000 2007-01-01 2.29289940828407000 2007-02-01 2.35814296241709000 2007-03-01 2.27941176470588000 2007-04-01 2.34776228906821000 2007-05-01 2.18658892128279000 2007-06-01 2.25947521865891000 2007-07-01 2.18340611353713000 2007-08-01 2.25290697674419000 2007-09-01 2.47093023255815000 2007-10-01 2.32052211747643000 2007-11-01 2.60303687635572000 2007-12-01 2.67534345625448000 2008-01-01 3.03687635574836000 2008-02-01 3.16774658027358000 2008-03-01 3.30697340043132000 2008-04-01 3.01075268817202000 2008-05-01 2.92439372325252000 2008-06-01 2.99358517462579000 2008-07-01 2.99145299145297000 2008-08-01 2.91400142146413000 2008-09-01 2.83687943262412000 2008-10-01 3.11835577604536000 2008-11-01 2.67794221282592000 2008-12-01 2.67605633802819000 2009-01-01 2.52631578947368000 2009-02-01 2.37264480111652000 2009-03-01 2.36604036186501000 2009-04-01 2.64439805149620000 2009-05-01 2.42550242550243000 2009-06-01 2.42214532871971000 2009-07-01 2.55878284923929000 2009-08-01 2.55524861878454000 2009-09-01 2.68965517241381000 2009-10-01 2.47422680412370000 2009-11-01 2.81400137268363000 2009-12-01 3.01783264746227000 2010-01-01 3.21697467488023000 2010-02-01 2.99931833674165000 2010-03-01 2.92318150917744000 2010-04-01 2.84745762711863000 2010-05-01 3.04465493910690000 2010-06-01 3.31081081081082000 2010-07-01 3.37154416722861000 2010-08-01 3.29966329966328000 2010-09-01 3.22364002686364000 2010-10-01 3.55466130114019000 2010-11-01 3.20427236315086000 2010-12-01 3.19573901464713000 2011-01-01 3.11628401244493000 2011-02-01 3.01274410729108000 2011-03-01 3.01060532154322000 2011-04-01 3.00847499506663000 2011-05-01 2.80345152870368000 2011-06-01 2.70003717741347000 2011-07-01 3.13023955102015000 2011-08-01 3.06300992940935000 2011-09-01 3.55820274506355000 2011-10-01 3.58384578750762000 2011-11-01 3.64764424748473000 2011-12-01 3.57745684987810000 2012-01-01 2.75319567354964000 2012-02-01 2.84872298624756000 2012-03-01 2.84313725490198000 2012-04-01 2.73972602739727000 2012-05-01 2.73437500000001000 2012-06-01 2.62901655306718000 2012-07-01 2.41779497098647000 2012-08-01 2.41779497098647000 2012-09-01 2.01729106628243000 2012-10-01 1.62523900573612000 2012-11-01 1.52671755725190000 2012-12-01 1.33333333333333000 2013-01-01 2.39234449760767000 2013-02-01 2.29226361031516000 2013-03-01 2.09723546234506000 2013-04-01 1.99999999999999000 2013-05-01 1.71102661596958000 2013-06-01 1.51802656546489000 2013-07-01 0.84985835694050200 2013-08-01 0.75542965061376700 2013-09-01 0.56497175141243200 2013-10-01 0.47036688617122700 2013-11-01 0.28195488721803500 2013-12-01 0.18796992481203100 2014-01-01 -0.09345794392522290 2014-02-01 -0.09337068160596500 2014-03-01 -0.09337068160596500 2014-04-01 -0.09337068160596500 2014-05-01 -0.09345794392522290 2014-06-01 -0.09345794392522290 2014-07-01 0.00000000000000000 2014-08-01 0.09372071227742480 2014-09-01 0.00000000000000000 2014-10-01 0.09363295880150960 2014-11-01 0.18744142455485000 2014-12-01 0.28142589118200100 2015-01-01 0.09354536950419880 2015-02-01 0.00000000000000000 2015-03-01 0.00000000000000000 2015-04-01 0.00000000000000000 2015-05-01 0.18709073900839800 2015-06-01 0.18709073900839800 2015-07-01 0.18726591760299700 2015-08-01 0.18726591760299700 2015-09-01 0.37453183520600500 2015-10-01 0.37418147801681700 2015-11-01 0.18709073900839800 2015-12-01 0.00000000000000000 2016-01-01 -0.00663551401791418 2016-02-01 -0.00663551401791418 2016-03-01 0.09345794392600080 2016-04-01 0.19355140186991600 2016-05-01 0.10000000000076700 2016-06-01 0.10000000000076700 2016-07-01 0.39373831775776800 2016-08-01 0.39373831775776800 2016-09-01 0.30634328358284700 2016-10-01 0.41248835042016500 2016-11-01 0.70000000000079400 2016-12-01 0.88840037418225200 2017-01-01 0.90090090090089000 2017-02-01 1.10110110110109000 2017-03-01 1.09999999999999000 2017-04-01 0.99900099900100000 2017-05-01 0.89910089910091100 2017-06-01 0.99900099900100000 2017-07-01 0.79760717846460700 2017-08-01 0.79760717846460700 2017-09-01 0.79681274900398500 2017-10-01 0.59642147117296300 2017-11-01 0.59582919563056400 2017-12-01 0.59582919563056400 2018-01-01 1.58730158730159000 2018-02-01 1.48514851485148000 2018-03-01 1.68150346191890000 2018-04-01 1.97823936696340000 2018-05-01 2.27722772277227000 2018-06-01 2.27497527200793000 2018-07-01 2.57171117705245000 2018-08-01 2.57171117705245000 2018-09-01 2.37154150197629000 2018-10-01 2.66798418972333000