Month Percent 1995-01-01 41.0519351637446 1995-02-01 40.6678789882625 1995-03-01 40.4394152143388 1995-04-01 41.4128909796154 1995-05-01 41.7230008244023 1995-06-01 41.5945968206902 1995-07-01 41.8943383805135 1995-08-01 42.0221948212084 1995-09-01 42.5509198423127 1995-10-01 41.8677170523552 1995-11-01 42.2644912683447 1995-12-01 42.8290605291179 1996-01-01 43.1260229132570 1996-02-01 42.3048630976706 1996-03-01 42.0769042370806 1996-04-01 42.5134562061654 1996-05-01 42.3697068403909 1996-06-01 41.2558971856190 1996-07-01 41.2524366471735 1996-08-01 41.6274541619341 1996-09-01 41.6430365389289 1996-10-01 41.0374686412560 1996-11-01 40.5868563576105 1996-12-01 40.7574901074053 1997-01-01 41.7258064516129 1997-02-01 40.4736969306372 1997-03-01 40.4731252011587 1997-04-01 40.5878573723097 1997-05-01 39.7802902734344 1997-06-01 39.2925736235595 1997-07-01 40.1965484180249 1997-08-01 39.6474716860743 1997-09-01 39.7373656983685 1997-10-01 39.6616093414886 1997-11-01 40.3202790550182 1997-12-01 41.5684102239456 1998-01-01 41.8804768295571 1998-02-01 41.6318815468221 1998-03-01 41.8814838101226 1998-04-01 42.6790055681907 1998-05-01 41.7951326394867 1998-06-01 40.9722222222222 1998-07-01 40.7816879476798 1998-08-01 40.0326289620883 1998-09-01 39.6963123644252 1998-10-01 40.2257092061529 1998-11-01 40.5367885238316 1998-12-01 41.2344158842543 1999-01-01 40.7535297728668 1999-02-01 41.2030305349353 1999-03-01 40.9635794456746 1999-04-01 39.5887281035796 1999-05-01 39.6520285670871 1999-06-01 38.8834179228846 1999-07-01 39.8322375878486 1999-08-01 38.7038432554634 1999-09-01 38.5159010600707 1999-10-01 38.4084602115053 1999-11-01 39.1632989073492 1999-12-01 39.7147763757187 2000-01-01 39.9478778853313 2000-02-01 39.8188029110352 2000-03-01 39.8029483665457 2000-04-01 39.4102867277564 2000-05-01 38.8463238544276 2000-06-01 38.2964650547512 2000-07-01 39.8944358917968 2000-08-01 38.7285348922178 2000-09-01 38.8775510204082 2000-10-01 39.5536493166618 2000-11-01 39.4460155173664 2000-12-01 39.0684891878209 2001-01-01 40.4638432728320 2001-02-01 40.1810084757937 2001-03-01 38.8085350136045 2001-04-01 39.2683970336566 2001-05-01 38.6741509165838 2001-06-01 38.2024062278839 2001-07-01 39.1616766467066 2001-08-01 38.2008280120693 2001-09-01 38.5169136147610 2001-10-01 38.9824610244989 2001-11-01 39.5772695772696 2001-12-01 39.0023457982614 2002-01-01 38.2512163365997 2002-02-01 37.9126875852660 2002-03-01 37.7715915263444 2002-04-01 37.0712935457737 2002-05-01 36.4919354838710 2002-06-01 36.4931763446615 2002-07-01 37.3877170803114 2002-08-01 37.0419455304486 2002-09-01 35.9440928270042 2002-10-01 36.1654629021668 2002-11-01 35.4568644123226 2002-12-01 35.9981756580662 2003-01-01 35.8472213215745 2003-02-01 35.3705019704115 2003-03-01 35.7147454463539 2003-04-01 34.5675848814862 2003-05-01 34.7437615674261 2003-06-01 34.3771835101315 2003-07-01 35.3879255790406 2003-08-01 34.3233699079329 2003-09-01 33.4379708689101 2003-10-01 33.2394894894895 2003-11-01 34.0482573726542 2003-12-01 34.3878185208204 2004-01-01 34.9591483040356 2004-02-01 33.8737516952287 2004-03-01 34.5702525035326 2004-04-01 34.3968156766687 2004-05-01 33.8011838652590 2004-06-01 33.5115756213162 2004-07-01 34.9724459516744 2004-08-01 34.4328529216668 2004-09-01 33.9544389012442 2004-10-01 33.4711238916846 2004-11-01 33.1820624589479 2004-12-01 33.7281276038567 2005-01-01 33.4716623191843 2005-02-01 33.7919225318847 2005-03-01 33.8375515008829 2005-04-01 33.4135179535320 2005-05-01 32.8288435692164 2005-06-01 33.0090866728798 2005-07-01 33.3720390153274 2005-08-01 33.0480541259469 2005-09-01 32.5781159921596 2005-10-01 32.7183908045977 2005-11-01 33.4784850741993 2005-12-01 34.3350091407678 2006-01-01 35.0019910120030 2006-02-01 35.0595575723199 2006-03-01 34.2551747539871 2006-04-01 34.4592308559829 2006-05-01 33.5393258426966 2006-06-01 33.6582087044194 2006-07-01 33.6926169998883 2006-08-01 33.4501752628943 2006-09-01 33.3555222721473 2006-10-01 33.0936445599867 2006-11-01 33.1347893227443 2006-12-01 33.2545094588649 2007-01-01 34.0836893416584 2007-02-01 33.8085094762139 2007-03-01 33.4785687054082 2007-04-01 32.8720286551612 2007-05-01 32.7615130688890 2007-06-01 32.7055903302396 2007-07-01 33.3906871706635 2007-08-01 32.7238605898123 2007-09-01 32.7807486631016 2007-10-01 32.1476187936643 2007-11-01 32.8386787936812 2007-12-01 32.6507877566177 2008-01-01 33.2910589727330 2008-02-01 33.5090123326658 2008-03-01 32.9548441360458 2008-04-01 33.5341575859179 2008-05-01 33.0199028365460 2008-06-01 32.9689208183664 2008-07-01 33.7243706202959 2008-08-01 33.8250517598344 2008-09-01 32.4685372395296 2008-10-01 32.0732397263797 2008-11-01 33.2700789824597 2008-12-01 33.4697217675941 2009-01-01 33.3316342134774 2009-02-01 33.9902478667208 2009-03-01 33.2117897295655 2009-04-01 32.7509594021410 2009-05-01 32.6805940095646 2009-06-01 32.3788988065390 2009-07-01 32.2901564765285 2009-08-01 32.0075757575758 2009-09-01 32.4925521350546 2009-10-01 32.4621324621325 2009-11-01 32.6522554535584 2009-12-01 32.6132952812085 2010-01-01 33.8889161233394 2010-02-01 33.3577533577534 2010-03-01 32.9292044015970 2010-04-01 32.4595893403233 2010-05-01 31.9477377207839 2010-06-01 32.1378645456737 2010-07-01 31.9619340574834 2010-08-01 31.7321967338729 2010-09-01 30.4040500525361 2010-10-01 31.0139543744344 2010-11-01 31.0122072863725 2010-12-01 31.5819396408774 2011-01-01 32.9003920086903 2011-02-01 32.7996986533572 2011-03-01 31.8395340097708 2011-04-01 31.0619551973006 2011-05-01 31.4982708664361 2011-06-01 31.7075445304486 2011-07-01 32.1855660509050 2011-08-01 31.6422205718530 2011-09-01 31.5109113654265 2011-10-01 31.8116645853568 2011-11-01 32.4975758415293 2011-12-01 31.4753342554172 2012-01-01 32.5004601509295 2012-02-01 32.4115755627010 2012-03-01 31.9895432030820 2012-04-01 31.4705478511602 2012-05-01 31.4507653644048 2012-06-01 31.6365626710454 2012-07-01 32.3123833796022 2012-08-01 31.2011630019989 2012-09-01 30.6049337928533 2012-10-01 30.1045580047979 2012-11-01 31.0622147923914 2012-12-01 30.8847402597403 2013-01-01 31.1252023745278 2013-02-01 31.2744085828433 2013-03-01 31.1304269904566 2013-04-01 30.2480446927374 2013-05-01 29.6833184656557 2013-06-01 29.9786343808422 2013-07-01 30.5625860308157 2013-08-01 30.0669237246820 2013-09-01 30.3842242560906 2013-10-01 30.2925989672978 2013-11-01 30.8898678414097 2013-12-01 31.5319672851992 2014-01-01 31.8634548725374 2014-02-01 30.9798081555779 2014-03-01 30.4638656931754 2014-04-01 29.7714584787160 2014-05-01 29.4040830540199 2014-06-01 28.8574282364181 2014-07-01 29.6606128906419 2014-08-01 30.4244364643274 2014-09-01 30.1044634377968 2014-10-01 29.8129955187866 2014-11-01 31.0322580645161 2014-12-01 31.6989395045296 2015-01-01 31.4411789906606 2015-02-01 30.1201214038388 2015-03-01 30.2850559016813 2015-04-01 29.3381037567084 2015-05-01 28.4918576470088 2015-06-01 28.0709195792331 2015-07-01 28.3034844828316 2015-08-01 28.5762582935384 2015-09-01 28.3973521103006 2015-10-01 29.5231682168259 2015-11-01 29.5677015502248 2015-12-01 29.2598028936884 2016-01-01 29.5016110808888 2016-02-01 28.7605445585902 2016-03-01 29.2746977907461 2016-04-01 28.5351643778610 2016-05-01 28.1099485135360 2016-06-01 28.4145077720207 2016-07-01 29.0892539413250 2016-08-01 28.4540424477661 2016-09-01 27.8093824717619 2016-10-01 27.6764766412842 2016-11-01 28.7416783101833 2016-12-01 28.7320475995076 2017-01-01 28.9581456302727 2017-02-01 28.6304338935918 2017-03-01 29.1151129078362 2017-04-01 29.1369399486322 2017-05-01 28.6312962812271 2017-06-01 29.2793890649119 2017-07-01 29.9716139497161 2017-08-01 28.8639766886560 2017-09-01 28.4802198246252 2017-10-01 28.5362704752683 2017-11-01 28.9110027799041 2017-12-01 28.9351944969629 2018-01-01 30.2448815736652 2018-02-01 29.8829377806286 2018-03-01 28.9071257005604 2018-04-01 29.1320332480818 2018-05-01 28.3018115074615 2018-06-01 27.6465197816646 2018-07-01 28.3390342852597 2018-08-01 28.1498252303781 2018-09-01 27.6629507676439 2018-10-01 28.0309033280507