Month Growth rate same period previous year 1997-01-01 3.411306042884980 1997-02-01 3.200775945683830 1997-03-01 3.191489361702130 1997-04-01 2.986512524084760 1997-05-01 3.362151777137380 1997-06-01 3.259827420901230 1997-07-01 3.154875717017210 1997-08-01 3.050524308865580 1997-09-01 3.044719314938150 1997-10-01 3.133903133903160 1997-11-01 3.027436140018920 1997-12-01 2.932828760643330 1998-01-01 2.921771913289370 1998-02-01 3.101503759398480 1998-03-01 2.999062792877220 1998-04-01 2.993451824134720 1998-05-01 2.695167286245350 1998-06-01 2.692664809656480 1998-07-01 2.594995366079690 1998-08-01 2.682701202590210 1998-09-01 2.493074792243780 1998-10-01 2.394106813996320 1998-11-01 2.479338842975220 1998-12-01 2.573529411764710 1999-01-01 2.380952380952380 1999-02-01 2.278942570647240 1999-03-01 2.274795268425850 1999-04-01 2.270663033605800 1999-05-01 2.171945701357460 1999-06-01 2.350813743218790 1999-07-01 2.439024390243910 1999-08-01 2.342342342342330 1999-09-01 2.432432432432430 1999-10-01 2.428057553956810 1999-11-01 2.419354838709670 1999-12-01 2.329749103942670 2000-01-01 2.415026833631480 2000-02-01 2.584670231729040 2000-03-01 2.491103202847000 2000-04-01 2.397868561278870 2000-05-01 2.480070859167410 2000-06-01 2.385159010600700 2000-07-01 2.380952380952380 2000-08-01 2.464788732394390 2000-09-01 2.286719437115220 2000-10-01 2.370500438981560 2000-11-01 2.187226596675420 2000-12-01 2.364273204903660 2001-01-01 2.882096069868990 2001-02-01 2.953953084274540 2001-03-01 3.038194444444440 2001-04-01 3.295750216825680 2001-05-01 3.197925669835780 2001-06-01 3.192407247627260 2001-07-01 3.273040482342810 2001-08-01 3.350515463917530 2001-09-01 3.439380911435950 2001-10-01 3.344768439108080 2001-11-01 3.510273972602740 2001-12-01 3.507271171941840 2002-01-01 3.310696095076420 2002-02-01 3.375527426160350 2002-03-01 3.285593934288110 2002-04-01 3.190596137699420 2002-05-01 3.350083752093800 2002-06-01 3.428093645484970 2002-07-01 3.502919099249360 2002-08-01 3.574397339983370 2002-09-01 3.574397339983370 2002-10-01 3.651452282157690 2002-11-01 3.722084367245650 2002-12-01 3.636363636363640 2003-01-01 3.533278553820880 2003-02-01 3.265306122448990 2003-03-01 3.425774877650910 2003-04-01 3.498779495524810 2003-05-01 3.322528363047010 2003-06-01 3.314470493128530 2003-07-01 3.303787268331980 2003-08-01 3.370786516853930 2003-09-01 3.130016051364350 2003-10-01 3.042433947157700 2003-11-01 2.870813397129180 2003-12-01 2.870813397129180 2004-01-01 2.698412698412680 2004-02-01 2.687747035573120 2004-03-01 2.760252365930610 2004-04-01 2.908805031446550 2004-05-01 2.901960784313710 2004-06-01 3.051643192488250 2004-07-01 3.120124804992210 2004-08-01 3.260869565217400 2004-09-01 3.268482490272390 2004-10-01 2.952602952602940 2004-11-01 3.023255813953500 2004-12-01 3.178294573643420 2005-01-01 2.936630602782060 2005-02-01 2.848344880677430 2005-03-01 2.993092862624680 2005-04-01 2.597402597402600 2005-05-01 2.743902439024410 2005-06-01 2.657555049354590 2005-07-01 2.723146747352510 2005-08-01 2.481203007518800 2005-09-01 2.411454408440090 2005-10-01 2.339622641509440 2005-11-01 2.257336343115120 2005-12-01 2.103681442524420 2006-01-01 2.252252252252260 2006-02-01 2.245508982035920 2006-03-01 2.086438152011940 2006-04-01 2.382725241995520 2006-05-01 2.299703264094940 2006-06-01 2.144970414201210 2006-07-01 1.988217967599410 2006-08-01 1.980924431401300 2006-09-01 2.207505518763800 2006-10-01 2.359882005899730 2006-11-01 2.207505518763800 2006-12-01 2.281089036055920 2007-01-01 2.129221732745960 2007-02-01 2.342606149341170 2007-03-01 1.970802919708020 2007-04-01 1.890909090909090 2007-05-01 1.957940536620740 2007-06-01 2.027516292541630 2007-07-01 2.310469314079410 2007-08-01 2.302158273381280 2007-09-01 1.871850251979840 2007-10-01 2.089337175792480 2007-11-01 2.087832973362130 2007-12-01 2.302158273381280 2008-01-01 2.588066139468000 2008-02-01 2.503576537911280 2008-03-01 3.078024337866850 2008-04-01 2.855103497501780 2008-05-01 2.987197724039850 2008-06-01 2.980837473385390 2008-07-01 2.964008468595650 2008-08-01 3.375527426160360 2008-09-01 3.180212014134260 2008-10-01 3.175723359209620 2008-11-01 2.961918194640320 2008-12-01 2.953586497890320 2009-01-01 2.452697967764560 2009-02-01 2.233077459874400 2009-03-01 1.666666666666680 2009-04-01 2.151283830673150 2009-05-01 1.933701657458540 2009-06-01 1.791867677463810 2009-07-01 1.644962302947220 2009-08-01 1.564625850340140 2009-09-01 1.643835616438350 2009-10-01 1.709986320109420 2009-11-01 1.643835616438350 2009-12-01 1.707650273224050 2010-01-01 1.983584131326940 2010-02-01 1.774744027303740 2010-03-01 2.117486338797820 2010-04-01 2.173913043478270 2010-05-01 1.829268292682950 2010-06-01 1.828029790115110 2010-07-01 2.090357383681730 2010-08-01 1.942397856664420 2010-09-01 1.886792452830220 2010-10-01 1.882985877605930 2010-11-01 1.684636118598410 2010-12-01 1.611820013431830 2011-01-01 1.511066398388330 2011-02-01 1.915090543257540 2011-03-01 2.045351170566490 2011-04-01 2.235771276593690 2011-05-01 2.303792415167600 2011-06-01 2.636303191487290 2011-07-01 2.654689564066640 2011-08-01 2.510906701706240 2011-09-01 2.690873015870940 2011-10-01 2.586930693067260 2011-11-01 2.396023856856780 2011-12-01 2.523463317909370 2012-01-01 2.288557213930330 2012-02-01 2.180376610505430 2012-03-01 2.270483711747310 2012-04-01 2.154750244857980 2012-05-01 2.056807051909900 2012-06-01 2.048780487804890 2012-07-01 2.034883720930210 2012-08-01 2.316602316602320 2012-09-01 1.939864209505340 2012-10-01 1.744186046511630 2012-11-01 1.851851851851840 2012-12-01 2.038834951456300 2013-01-01 2.140077821011680 2013-02-01 1.745877788554820 2013-03-01 1.737451737451740 2013-04-01 1.438159156279980 2013-05-01 1.727447216890600 2013-06-01 1.625239005736120 2013-07-01 1.329534662868000 2013-08-01 1.603773584905640 2013-09-01 1.522359657469070 2013-10-01 1.428571428571420 2013-11-01 1.244019138755990 2013-12-01 0.951474785918174 2014-01-01 1.142857142857140 2014-02-01 1.239275500476630 2014-03-01 1.043643263757110 2014-04-01 1.417769376181460 2014-05-01 0.943396226415095 2014-06-01 0.846660395108194 2014-07-01 0.749765698219314 2014-08-01 0.557103064066866 2014-09-01 0.562324273664483 2014-10-01 0.657276995305170 2014-11-01 0.945179584120984 2014-12-01 1.036757775683320 2015-01-01 0.470809792843680 2015-02-01 0.753295668549914 2015-03-01 0.469483568075129 2015-04-01 0.279589934762367 2015-05-01 0.654205607476618 2015-06-01 0.652985074626882 2015-07-01 0.837209302325580 2015-08-01 0.738688827331483 2015-09-01 0.931966449207841 2015-10-01 1.026119402985080 2015-11-01 0.561797752808992 2015-12-01 0.279850746268653 2016-01-01 0.735332708528631 2016-02-01 0.452897196261710 2016-03-01 0.654205607476663 2016-04-01 0.393215613382913 2016-05-01 0.400000000000045 2016-06-01 0.413531047266005 2016-07-01 0.645848708487114 2016-08-01 0.493675527039449 2016-09-01 0.440443213296430 2016-10-01 0.142105263157937 2016-11-01 0.479888268156454 2016-12-01 0.887348837209352 2017-01-01 0.701402805611234 2017-02-01 0.901803607214441 2017-03-01 1.000000000000000 2017-04-01 1.794616151545370 2017-05-01 1.394422310756970 2017-06-01 1.491053677932400 2017-07-01 1.283316880552830 2017-08-01 1.571709233791750 2017-09-01 1.287128712871280 2017-10-01 0.695134061569006 2017-11-01 0.499001996007996 2017-12-01 0.595829195630564 2018-01-01 0.597014925373113 2018-02-01 0.794438927507448 2018-03-01 0.891089108910903 2018-04-01 0.293829578844281 2018-05-01 0.884086444007870 2018-06-01 0.979431929480902 2018-07-01 0.877192982456130 2018-08-01 1.063829787234030 2018-09-01 0.977517106549366 2018-10-01 1.282051282051290