Month Growth rate same period previous year 1997-01-01 3.241650294695460 1997-02-01 2.829268292682950 1997-03-01 2.826510721247550 1997-04-01 2.826510721247550 1997-05-01 2.915451895043730 1997-06-01 2.912621359223300 1997-07-01 2.812803103782760 1997-08-01 2.394636015325690 1997-09-01 2.588686481303940 1997-10-01 2.490421455938700 1997-11-01 2.476190476190470 1997-12-01 2.761904761904770 1998-01-01 2.664129400570910 1998-02-01 2.561669829221990 1998-03-01 2.559241706161150 1998-04-01 2.748815165876780 1998-05-01 2.927289896128420 1998-06-01 2.924528301886790 1998-07-01 3.018867924528310 1998-08-01 2.712815715622060 1998-09-01 2.803738317757010 1998-10-01 2.803738317757010 1998-11-01 2.788104089219320 1998-12-01 2.594995366079680 1999-01-01 2.594995366079680 1999-02-01 2.682701202590220 1999-03-01 2.587800369685780 1999-04-01 2.490774907749070 1999-05-01 2.660550458715580 1999-06-01 2.566452795600360 1999-07-01 2.472527472527450 1999-08-01 2.003642987249540 1999-09-01 1.818181818181820 1999-10-01 1.818181818181820 1999-11-01 1.627486437613040 1999-12-01 1.626016260162610 2000-01-01 1.626016260162610 2000-02-01 2.162162162162150 2000-03-01 2.162162162162150 2000-04-01 2.070207020702080 2000-05-01 1.608579088471860 2000-06-01 1.608579088471860 2000-07-01 1.787310098302060 2000-08-01 1.875000000000000 2000-09-01 1.875000000000000 2000-10-01 1.875000000000000 2000-11-01 2.224199288256210 2000-12-01 2.133333333333340 2001-01-01 2.133333333333340 2001-02-01 2.028218694885350 2001-03-01 2.116402116402110 2001-04-01 2.116402116402110 2001-05-01 2.814423922603340 2001-06-01 2.902374670184690 2001-07-01 2.721685689201050 2001-08-01 2.716914986853640 2001-09-01 2.716914986853640 2001-10-01 2.716914986853640 2001-11-01 2.262837249782420 2001-12-01 2.262837249782420 2002-01-01 2.262837249782420 2002-02-01 2.938634399308580 2002-03-01 2.849740932642510 2002-04-01 2.849740932642510 2002-05-01 2.395209580838330 2002-06-01 2.307692307692320 2002-07-01 2.307692307692320 2002-08-01 2.389078498293510 2002-09-01 2.474402730375420 2002-10-01 2.474402730375420 2002-11-01 2.978723404255320 2002-12-01 2.978723404255320 2003-01-01 2.978723404255320 2003-02-01 2.183039462636440 2003-03-01 3.022670025188920 2003-04-01 3.022670025188920 2003-05-01 2.840434419381760 2003-06-01 2.840434419381760 2003-07-01 2.840434419381760 2003-08-01 2.750000000000010 2003-09-01 2.664446294754380 2003-10-01 2.747710241465450 2003-11-01 2.314049586776870 2003-12-01 2.396694214876040 2004-01-01 2.396694214876040 2004-02-01 2.547247329498750 2004-03-01 1.874490627546840 2004-04-01 1.874490627546840 2004-05-01 2.193338748984590 2004-06-01 2.924451665312780 2004-07-01 2.924451665312780 2004-08-01 3.000811030008110 2004-09-01 3.000811030008110 2004-10-01 2.917341977309560 2004-11-01 3.150242326332780 2004-12-01 3.309120258272790 2005-01-01 3.309120258272790 2005-02-01 3.205128205128220 2005-03-01 3.200000000000020 2005-04-01 3.920000000000020 2005-05-01 3.577106518282990 2005-06-01 2.841357537490130 2005-07-01 2.841357537490130 2005-08-01 2.834645669291340 2005-09-01 2.834645669291340 2005-10-01 2.834645669291340 2005-11-01 2.740798747063420 2005-12-01 2.578125000000020 2006-01-01 2.578125000000020 2006-02-01 2.484472049689440 2006-03-01 2.403100775193780 2006-04-01 2.309468822170900 2006-05-01 2.686108979278590 2006-06-01 2.686108979278590 2006-07-01 2.686108979278590 2006-08-01 2.756508422664610 2006-09-01 2.756508422664610 2006-10-01 2.756508422664610 2006-11-01 2.591463414634140 2006-12-01 2.665651180502650 2007-01-01 2.741812642802730 2007-02-01 3.560606060606040 2007-03-01 3.482210446631340 2007-04-01 2.934537246049650 2007-05-01 2.989536621823620 2007-06-01 3.139013452914800 2007-07-01 3.139013452914800 2007-08-01 3.055141579731770 2007-09-01 3.129657228017910 2007-10-01 3.204172876304030 2007-11-01 3.491827637444320 2007-12-01 3.486646884272990 2008-01-01 3.484062268346910 2008-02-01 2.852962692026340 2008-03-01 2.999268471104640 2008-04-01 2.997076023391810 2008-05-01 2.902757619738740 2008-06-01 2.826086956521730 2008-07-01 3.913043478260880 2008-08-01 4.049168474331150 2008-09-01 3.973988439306350 2008-10-01 3.971119133574000 2008-11-01 4.163675520459440 2008-12-01 4.157706093189970 2009-01-01 4.083094555873950 2009-02-01 3.769559032716940 2009-03-01 3.693181818181800 2009-04-01 4.045422285308730 2009-05-01 3.526093088857550 2009-06-01 3.523608174770970 2009-07-01 2.440725244072510 2009-08-01 2.154273801250860 2009-09-01 2.223766504517020 2009-10-01 2.152777777777790 2009-11-01 1.929703652653340 2009-12-01 1.858224363386090 2010-01-01 1.995870612525800 2010-02-01 1.713502398903350 2010-03-01 1.780821917808220 2010-04-01 1.568894952251030 2010-05-01 2.043596730245230 2010-06-01 2.042205582028600 2010-07-01 2.110279101429560 2010-08-01 2.040816326530640 2010-09-01 2.107409925220950 2010-10-01 2.311352821210070 2010-11-01 2.028397565922930 2010-12-01 2.027027027027020 2011-01-01 1.921255046186430 2011-02-01 2.893530982623550 2011-03-01 2.956527576157880 2011-04-01 3.050705156552390 2011-05-01 2.531508663608250 2011-06-01 2.662841879948250 2011-07-01 2.694199985347390 2011-08-01 2.694199985347390 2011-09-01 2.657123820239500 2011-10-01 2.750896995306070 2011-11-01 2.577733583773540 2011-12-01 2.608940382710550 2012-01-01 2.675916749256690 2012-02-01 2.745098039215680 2012-03-01 2.641878669275940 2012-04-01 2.439024390243910 2012-05-01 2.436647173489270 2012-06-01 2.334630350194550 2012-07-01 2.332361516034970 2012-08-01 2.332361516034970 2012-09-01 2.330097087378640 2012-10-01 2.129719264278810 2012-11-01 2.417794970986470 2012-12-01 2.318840579710170 2013-01-01 2.413127413127400 2013-02-01 1.335877862595420 2013-03-01 1.334604385128670 2013-04-01 1.238095238095240 2013-05-01 1.236917221693630 2013-06-01 1.235741444866920 2013-07-01 1.234567901234580 2013-08-01 1.234567901234580 2013-09-01 1.233396584440220 2013-10-01 1.327014218009490 2013-11-01 1.038715769593940 2013-12-01 1.038715769593940 2014-01-01 1.036757775683330 2014-02-01 1.035781544256120 2014-03-01 1.034807149576680 2014-04-01 1.128880526810920 2014-05-01 1.033834586466160 2014-06-01 0.938967136150237 2014-07-01 0.844277673545963 2014-08-01 1.313320825515950 2014-09-01 1.218369259606380 2014-10-01 0.654817586529463 2014-11-01 0.934579439252339 2014-12-01 1.028037383177560 2015-01-01 0.839552238805955 2015-02-01 0.838769804287054 2015-03-01 0.744878957169462 2015-04-01 0.651162790697682 2015-05-01 0.744186046511619 2015-06-01 0.837209302325589 2015-07-01 0.837209302325589 2015-08-01 1.018518518518500 2015-09-01 1.111111111111110 2015-10-01 1.486988847583650 2015-11-01 1.203703703703700 2015-12-01 1.110083256244230 2016-01-01 1.158371877069580 2016-02-01 1.064879851305170 2016-03-01 1.064879851305170 2016-04-01 1.165341958513240 2016-05-01 1.071929823740850 2016-06-01 0.978690036080557 2016-07-01 1.078966788847260 2016-08-01 0.430430796618191 2016-09-01 0.438003662188239 2016-10-01 0.438003662188239 2016-11-01 0.445562670730712 2016-12-01 0.445562670730712 2017-01-01 0.397614314115308 2017-02-01 0.397614314115308 2017-03-01 0.497017892644125 2017-04-01 0.397219463753702 2017-05-01 0.496524329692144 2017-06-01 0.496524329692144 2017-07-01 0.396825396825397 2017-08-01 0.396825396825397 2017-09-01 0.396432111000969 2017-10-01 0.396432111000969 2017-11-01 0.297029702970286 2017-12-01 0.297029702970286 2018-01-01 0.396039603960396 2018-02-01 0.495049504950506 2018-03-01 0.494559841740862 2018-04-01 0.494559841740862 2018-05-01 0.395256916996048 2018-06-01 0.395256916996048 2018-07-01 0.494071146245071 2018-08-01 0.988142292490119 2018-09-01 0.987166831194473