Month Percent 2012-01-01 5.78062070599384 2012-02-01 5.93912897259122 2012-03-01 5.73663624511082 2012-04-01 5.59113957832933 2012-05-01 5.90805282494290 2012-06-01 5.57354301572618 2012-07-01 5.40324461174589 2012-08-01 5.61638414352615 2012-09-01 5.78703703703704 2012-10-01 6.37430553272626 2012-11-01 6.09031491384433 2012-12-01 5.94140343993199 2013-01-01 5.85899034989825 2013-02-01 5.86584888424899 2013-03-01 5.37908496732026 2013-04-01 5.63338980841913 2013-05-01 5.61753639784067 2013-06-01 5.16870064608758 2013-07-01 5.17891997397528 2013-08-01 5.04437483685722 2013-09-01 5.07382463411475 2013-10-01 5.20081556037412 2013-11-01 5.15801062038596 2013-12-01 5.13454498747672 2014-01-01 5.46752956929257 2014-02-01 4.95087284174378 2014-03-01 4.78551000953289 2014-04-01 4.91584630041283 2014-05-01 5.05612678049241 2014-06-01 4.69388401482279 2014-07-01 4.71151104210893 2014-08-01 5.04883927438792 2014-09-01 5.02920284135754 2014-10-01 5.02766798418972 2014-11-01 4.95474333677848 2014-12-01 5.10200912958420 2015-01-01 5.08954991434356 2015-02-01 4.69013293390751 2015-03-01 4.38552557440681 2015-04-01 4.08353533470073 2015-05-01 4.26685671789787 2015-06-01 4.16291838570587 2015-07-01 4.43392701457218 2015-08-01 4.27781040398108 2015-09-01 4.50356030948491 2015-10-01 4.77248873248132 2015-11-01 4.53244715222007 2015-12-01 4.51732861889231 2016-01-01 4.52228908264767 2016-02-01 4.52324231873435 2016-03-01 4.38390432899112 2016-04-01 3.97373141588884 2016-05-01 3.73193246690149 2016-06-01 3.67633698746290 2016-07-01 3.75056484410303 2016-08-01 4.08120300751880 2016-09-01 4.34572815826774 2016-10-01 4.04909451898201 2016-11-01 3.98834729855543 2016-12-01 3.91705069124424 2017-01-01 3.92933201355770 2017-02-01 3.70027475809342 2017-03-01 3.55499790882476 2017-04-01 3.57014818355640 2017-05-01 3.76473382619281 2017-06-01 3.64589538901466 2017-07-01 3.35656421253276 2017-08-01 3.55926125156894 2017-09-01 3.55977454761198 2017-10-01 3.83590836441130 2017-11-01 3.76614587930679 2017-12-01 3.49765258215962 2018-01-01 3.34354563129676 2018-02-01 3.22420490055781 2018-03-01 2.98683666843752 2018-04-01 3.26550897503362 2018-05-01 3.44387385034961 2018-06-01 3.54464104717500 2018-07-01 3.13435003631082 2018-08-01 3.36677879596335 2018-09-01 3.55805786922831