Month Growth rate same period previous year 1997-01-01 2.439024390243930 1997-02-01 2.429543245869770 1997-03-01 2.222222222222230 1997-04-01 1.634615384615390 1997-05-01 1.629913710450630 1997-06-01 1.435406698564600 1997-07-01 1.434034416826010 1997-08-01 1.526717557251920 1997-09-01 1.334604385128670 1997-10-01 1.811248808388940 1997-11-01 1.135288552507100 1997-12-01 0.945179584120986 1998-01-01 1.619047619047590 1998-02-01 2.182163187855770 1998-03-01 1.606805293005660 1998-04-01 1.419110690633860 1998-05-01 1.415094339622630 1998-06-01 1.509433962264170 1998-07-01 1.225259189443920 1998-08-01 1.315789473684200 1998-09-01 1.317027281279410 1998-10-01 0.468164794007475 1998-11-01 0.467726847521032 1998-12-01 0.468164794007475 1999-01-01 0.562324273664475 1999-02-01 0.371402042711243 1999-03-01 0.651162790697680 1999-04-01 1.585820895522410 1999-05-01 1.953488372093010 1999-06-01 1.858736059479510 1999-07-01 2.607076350093130 1999-08-01 2.597402597402590 1999-09-01 2.971216341689890 1999-10-01 3.914259086672900 1999-11-01 3.724394785847310 1999-12-01 4.287045666356020 2000-01-01 4.193849021435260 2000-02-01 4.070305272895470 2000-03-01 4.805914972273590 2000-04-01 3.673094582185470 2000-05-01 3.740875912408780 2000-06-01 4.744525547445280 2000-07-01 4.627949183303060 2000-08-01 4.068716094032560 2000-09-01 4.057709648331830 2000-10-01 3.677130044843040 2000-11-01 4.129263913824030 2000-12-01 3.306523681858800 2001-01-01 2.862254025044720 2001-02-01 2.577777777777780 2001-03-01 1.851851851851840 2001-04-01 2.568644818423380 2001-05-01 2.902374670184690 2001-06-01 2.090592334494790 2001-07-01 1.127493495229840 2001-08-01 1.042571676802770 2001-09-01 0.779896013864811 2001-10-01 0.432525951557111 2001-11-01 -0.258620689655154 2001-12-01 0.173010380622841 2002-01-01 0.434782608695638 2002-02-01 1.213171577123040 2002-03-01 1.385281385281380 2002-04-01 1.899827288428330 2002-05-01 1.452991452991480 2002-06-01 1.279863481228670 2002-07-01 1.972555746140660 2002-08-01 2.837489251934640 2002-09-01 2.321582115219260 2002-10-01 2.670111972437540 2002-11-01 3.284356093344850 2002-12-01 3.022452504317800 2003-01-01 3.896103896103890 2003-02-01 3.510273972602750 2003-03-01 3.672075149444930 2003-04-01 2.711864406779640 2003-05-01 2.021903959561900 2003-06-01 1.684919966301590 2003-07-01 2.102607232968890 2003-08-01 2.341137123745820 2003-09-01 2.857142857142860 2003-10-01 2.013422818791940 2003-11-01 2.008368200836830 2003-12-01 2.179379715004190 2004-01-01 1.416666666666670 2004-02-01 1.406120760959460 2004-03-01 1.647446457990110 2004-04-01 2.557755775577580 2004-05-01 3.137902559867890 2004-06-01 3.893951946975960 2004-07-01 3.459637561779230 2004-08-01 3.758169934640520 2004-09-01 3.267973856209160 2004-10-01 3.947368421052640 2004-11-01 4.265791632485630 2004-12-01 5.086136177194410 2005-01-01 4.272801972062450 2005-02-01 3.996737357259380 2005-03-01 4.538087520259330 2005-04-01 4.183427192276740 2005-05-01 4.403522818254600 2005-06-01 4.226475279106870 2005-07-01 5.493630573248400 2005-08-01 4.566929133858280 2005-09-01 4.905063291139250 2005-10-01 5.221518987341770 2005-11-01 4.091266719118820 2005-12-01 3.278688524590180 2006-01-01 4.018912529550820 2006-02-01 4.313725490196080 2006-03-01 3.488372093023240 2006-04-01 4.092664092664100 2006-05-01 3.987730061349680 2006-06-01 3.978576893649580 2006-07-01 3.245283018867950 2006-08-01 3.388554216867500 2006-09-01 2.036199095022620 2006-10-01 0.676691729323316 2006-11-01 1.511715797430070 2006-12-01 1.662887377173090 2007-01-01 1.742424242424250 2007-02-01 0.977443609022557 2007-03-01 1.722846441947580 2007-04-01 1.038575667655770 2007-05-01 1.253687315634250 2007-06-01 1.839587932303170 2007-07-01 1.973684210526300 2007-08-01 1.383831026948260 2007-09-01 1.995565410199570 2007-10-01 3.435399551904400 2007-11-01 3.946388682055080 2007-12-01 4.832713754646830 2008-01-01 5.435591958302300 2008-02-01 5.510052122114650 2008-03-01 5.817378497790850 2008-04-01 5.139500734214400 2008-05-01 6.263656227239600 2008-06-01 6.936416184971090 2008-07-01 7.096774193548380 2008-08-01 7.543103448275860 2008-09-01 6.666666666666650 2008-10-01 5.126353790613700 2008-11-01 1.934097421203450 2008-12-01 -0.212765957446833 2009-01-01 -1.553672316384160 2009-02-01 -1.623147494707100 2009-03-01 -3.409881697981900 2009-04-01 -2.164804469273730 2009-05-01 -3.427004797806730 2009-06-01 -3.918918918918930 2009-07-01 -4.551539491298520 2009-08-01 -3.072812291249160 2009-09-01 -2.921195652173910 2009-10-01 -2.197802197802180 2009-11-01 0.562192550948699 2009-12-01 2.203269367448510 2010-01-01 3.658536585365850 2010-02-01 3.515064562410320 2010-03-01 5.115273775216140 2010-04-01 5.496074232690960 2010-05-01 4.968062455642320 2010-06-01 3.727144866385380 2010-07-01 4.558204768583440 2010-08-01 3.790489317711910 2010-09-01 3.568929321203630 2010-10-01 3.862359550561800 2010-11-01 3.284416491963690 2010-12-01 4.242002781641150 2011-01-01 4.290345998442490 2011-02-01 5.253187509164210 2011-03-01 5.515249410335400 2011-04-01 6.056257076196790 2011-05-01 5.685157610296450 2011-06-01 6.071829190932370 2011-07-01 6.418475735464450 2011-08-01 7.024665663030140 2011-09-01 6.710775382833390 2011-10-01 7.182114516957870 2011-11-01 6.855174266977930 2011-12-01 7.130584846254920 2012-01-01 7.345739471106750 2012-02-01 7.482993197278890 2012-03-01 7.957813998082460 2012-04-01 7.438794726930300 2012-05-01 6.798866855524060 2012-06-01 6.415094339622640 2012-07-01 5.116279069767460 2012-08-01 6.227106227106220 2012-09-01 7.009345794392530 2012-10-01 6.145251396648040 2012-11-01 5.233644859813070 2012-12-01 4.595588235294100 2013-01-01 3.102189781021920 2013-02-01 2.531645569620260 2013-03-01 1.687388987566630 2013-04-01 -0.175284837861511 2013-05-01 0.088417329796655 2013-06-01 0.975177304964548 2013-07-01 1.769911504424790 2013-08-01 1.810344827586210 2013-09-01 0.611353711790387 2013-10-01 0.438596491228078 2013-11-01 0.799289520426290 2013-12-01 0.790861159929703 2014-01-01 1.504424778761050 2014-02-01 0.705467372134048 2014-03-01 0.000000000000000 2014-04-01 1.668129938542560 2014-05-01 1.325088339222600 2014-06-01 1.316944688323090 2014-07-01 1.478260869565210 2014-08-01 0.846740050804419 2014-09-01 0.260416666666667 2014-10-01 0.262008733624433 2014-11-01 -0.264317180616719 2014-12-01 -0.871839581516996 2015-01-01 -4.184829991281600 2015-02-01 -3.064798598949230 2015-03-01 -2.096069868995640 2015-04-01 -2.677029360967160 2015-05-01 -1.220575414123790 2015-06-01 -1.646447140381300 2015-07-01 -1.799485861182520 2015-08-01 -2.938706968933680 2015-09-01 -3.290043290043290 2015-10-01 -3.310104529616710 2015-11-01 -2.826855123674910 2015-12-01 -3.342128408091470 2016-01-01 -1.058234758871650 2016-02-01 -2.684643179765080 2016-03-01 -3.099999999999950 2016-04-01 -2.919609582963580 2016-05-01 -2.939011473962890 2016-06-01 -2.319911894273060 2016-07-01 -2.181500872600300 2016-08-01 -2.251903114186800 2016-09-01 -0.143688451208546 2016-10-01 0.183063063063116 2016-11-01 0.686181818181854 2016-12-01 2.205823475887220 2017-01-01 3.195876288659780 2017-02-01 4.890738813735700 2017-03-01 4.643962848297210 2017-04-01 5.635245901639340 2017-05-01 3.669724770642220 2017-06-01 3.033367037411530 2017-07-01 2.299999999999990 2017-08-01 3.670634920634910 2017-09-01 2.613065326633160 2017-10-01 2.419354838709670 2017-11-01 2.732793522267220 2017-12-01 2.794411177644710 2018-01-01 1.598401598401620 2018-02-01 1.686507936507930 2018-03-01 1.775147928994080 2018-04-01 0.387972841901067 2018-05-01 2.556538839724660 2018-06-01 4.219823356231590 2018-07-01 4.007820136852410 2018-08-01 4.210526315789500 2018-09-01 4.113614103819790 2018-10-01 3.937007874015750