Month Percent 1995-01-01 28.7656344814469 1995-02-01 28.8749343998263 1995-03-01 28.2488633384856 1995-04-01 28.5900028893383 1995-05-01 26.8114765923682 1995-06-01 25.9279274410729 1995-07-01 24.6122287400583 1995-08-01 25.2807777318550 1995-09-01 27.9556959752989 1995-10-01 27.9614819065380 1995-11-01 28.7165339519719 1995-12-01 28.7193392216346 1996-01-01 29.0801319589104 1996-02-01 29.0087789020568 1996-03-01 28.9156519024042 1996-04-01 28.8751849145383 1996-05-01 27.3187619030668 1996-06-01 26.2699358142347 1996-07-01 25.0039950993448 1996-08-01 25.6999441286283 1996-09-01 28.1362927797066 1996-10-01 28.2166084148122 1996-11-01 28.5128350187398 1996-12-01 28.9643112630157 1997-01-01 29.5046098195774 1997-02-01 29.2368175167040 1997-03-01 29.2311350247012 1997-04-01 29.1185886160557 1997-05-01 27.2089120827952 1997-06-01 26.2764435943107 1997-07-01 25.2511175387852 1997-08-01 25.4294569842576 1997-09-01 27.5642875254658 1997-10-01 27.6563223310129 1997-11-01 28.0895248898390 1997-12-01 28.7216236007951 1998-01-01 29.3860489419141 1998-02-01 29.2462678776490 1998-03-01 29.2067934499183 1998-04-01 28.9119278960119 1998-05-01 27.3797338792221 1998-06-01 26.2983722159175 1998-07-01 25.1672769136219 1998-08-01 25.7652421356721 1998-09-01 27.8957645717051 1998-10-01 28.1052522531855 1998-11-01 28.3418585192916 1998-12-01 28.8452753428318 1999-01-01 29.3436326685268 1999-02-01 29.0966187731223 1999-03-01 28.9448575235312 1999-04-01 28.2512366034625 1999-05-01 26.9098458397317 1999-06-01 26.3168717228144 1999-07-01 25.0678307014165 1999-08-01 25.6456287025876 1999-09-01 27.5592635605957 1999-10-01 27.6735675717174 1999-11-01 28.1206595373014 1999-12-01 28.4601568019885 2000-01-01 29.1692532718784 2000-02-01 28.9393437470802 2000-03-01 28.7950519242517 2000-04-01 28.4995169573397 2000-05-01 26.8934938780345 2000-06-01 26.4865458724900 2000-07-01 25.3465129235392 2000-08-01 25.6344985122685 2000-09-01 27.7611739251227 2000-10-01 27.8271544729120 2000-11-01 28.0742420424960 2000-12-01 28.4381658641344 2001-01-01 29.1373844786233 2001-02-01 28.8804188481675 2001-03-01 28.7152156088419 2001-04-01 28.4204722962418 2001-05-01 26.9495795515216 2001-06-01 26.4608360964393 2001-07-01 25.5658611654120 2001-08-01 25.7760053173812 2001-09-01 28.0518165673599 2001-10-01 28.0150868321797 2001-11-01 28.3343684014408 2001-12-01 28.5269958391582 2002-01-01 28.7120943026839 2002-02-01 28.5555142963238 2002-03-01 28.1851149756861 2002-04-01 28.0401596510719 2002-05-01 26.2227847685113 2002-06-01 25.8590120335561 2002-07-01 24.5628990876825 2002-08-01 24.8306868341100 2002-09-01 26.9483414454579 2002-10-01 27.1603122062850 2002-11-01 27.2866090166009 2002-12-01 27.5335949674861 2003-01-01 28.0960881650486 2003-02-01 27.7077818951826 2003-03-01 27.6871506561765 2003-04-01 27.3717141348068 2003-05-01 25.8306207433985 2003-06-01 25.2363040905332 2003-07-01 24.2315042757191 2003-08-01 24.6343515402537 2003-09-01 26.7004920297642 2003-10-01 26.8464934582758 2003-11-01 27.0368339569088 2003-12-01 27.6674937965261 2004-01-01 28.1512841769758 2004-02-01 28.0746470266619 2004-03-01 27.8702350163050 2004-04-01 27.5815588041786 2004-05-01 26.1695051091966 2004-06-01 25.5561957809149 2004-07-01 24.6273011406783 2004-08-01 25.0848134104969 2004-09-01 27.0118333758612 2004-10-01 26.9705345834296 2004-11-01 27.2456686270921 2004-12-01 27.6771515806883 2005-01-01 28.5035704924023 2005-02-01 28.2716157135943 2005-03-01 28.1938081575068 2005-04-01 28.1091651887510 2005-05-01 26.2864551628179 2005-06-01 25.9488823441164 2005-07-01 24.7750553982761 2005-08-01 25.2084629254888 2005-09-01 27.4348185142947 2005-10-01 27.4462819656676 2005-11-01 27.8659833460213 2005-12-01 28.3369923161361 2006-01-01 29.0351124475349 2006-02-01 29.0218105579372 2006-03-01 28.7339793685527 2006-04-01 28.7004582393305 2006-05-01 26.8544791244426 2006-06-01 26.6147617564622 2006-07-01 25.3573483894048 2006-08-01 25.6903889165010 2006-09-01 27.6407248805312 2006-10-01 27.9752632924930 2006-11-01 27.9985135176984 2006-12-01 28.5611521920733 2007-01-01 28.8031216195333 2007-02-01 28.8310685608400 2007-03-01 28.7484089944845 2007-04-01 28.4262434025504 2007-05-01 26.8117336453274 2007-06-01 26.1884807897833 2007-07-01 25.3034525646636 2007-08-01 25.7718439901228 2007-09-01 27.7483702438314 2007-10-01 27.4949878330604 2007-11-01 27.4966364970646 2007-12-01 27.9738811669467 2008-01-01 28.5276190621496 2008-02-01 28.4706025822777 2008-03-01 28.0718451628622 2008-04-01 27.9291884657501 2008-05-01 26.5679237400782 2008-06-01 25.9518536496572 2008-07-01 25.3726708074534 2008-08-01 25.6704922869745 2008-09-01 27.3171653067392 2008-10-01 27.2877518677836 2008-11-01 27.6382742945881 2008-12-01 28.4147820127577 2009-01-01 28.9945680795679 2009-02-01 28.8264999398822 2009-03-01 28.7544852643116 2009-04-01 28.5029805421212 2009-05-01 27.0607090966283 2009-06-01 26.8181240325150 2009-07-01 26.1072191435016 2009-08-01 26.6621908917981 2009-09-01 28.8532308288264 2009-10-01 28.7128123465242 2009-11-01 28.6247425899356 2009-12-01 29.1644693351556 2010-01-01 29.7984595063890 2010-02-01 29.6945303060627 2010-03-01 29.5763697083238 2010-04-01 28.9236208707487 2010-05-01 27.4875318630167 2010-06-01 27.0562978155179 2010-07-01 26.2724727379900 2010-08-01 26.4636847255844 2010-09-01 28.6245626414983 2010-10-01 29.0256726589120 2010-11-01 29.0412044374010 2010-12-01 29.2870495949562 2011-01-01 29.7679392891676 2011-02-01 29.8009997584771 2011-03-01 29.4460492156934 2011-04-01 28.9411386485855 2011-05-01 27.7642353559386 2011-06-01 27.2772345808634 2011-07-01 26.6021976741646 2011-08-01 26.9236641776395 2011-09-01 28.6526604745064 2011-10-01 28.9626206866536 2011-11-01 29.3184156751351 2011-12-01 29.7050988794626 2012-01-01 30.3736053969241 2012-02-01 30.3558659742436 2012-03-01 29.9998556936087 2012-04-01 29.3144940484768 2012-05-01 27.8472267202107 2012-06-01 27.7814914645103 2012-07-01 27.1784455720550 2012-08-01 27.3692587865839 2012-09-01 28.9792790276256 2012-10-01 29.1116326326183 2012-11-01 29.5023730558097 2012-12-01 29.9614395886889 2013-01-01 30.3886043625262 2013-02-01 30.3838697722154 2013-03-01 30.1910301960142 2013-04-01 29.7954336990451 2013-05-01 28.1169878054843 2013-06-01 27.9885367306983 2013-07-01 27.3356425894837 2013-08-01 27.3869168931159 2013-09-01 29.1751484308736 2013-10-01 29.2918879222687 2013-11-01 29.5236482672988 2013-12-01 29.9516465546408 2014-01-01 30.4633196475982 2014-02-01 30.4317230217093 2014-03-01 30.1907487221312 2014-04-01 30.0766189349196 2014-05-01 28.8321219094660 2014-06-01 28.3951482366461 2014-07-01 27.6749151237269 2014-08-01 27.8208320510310 2014-09-01 29.3481754783168 2014-10-01 29.5738648267386 2014-11-01 29.9923926774286 2014-12-01 30.4361772602071 2015-01-01 30.9620194954048 2015-02-01 30.5795365935168 2015-03-01 30.6655721053840 2015-04-01 30.3213339913393 2015-05-01 28.4749953122721 2015-06-01 28.0755784917596 2015-07-01 27.4753675808262 2015-08-01 27.5546017791008 2015-09-01 29.2806218060867 2015-10-01 29.4350938285935 2015-11-01 29.8689642793035 2015-12-01 30.1734606574118 2016-01-01 30.6932263224668 2016-02-01 30.3776626525944 2016-03-01 30.5756113676878 2016-04-01 30.3337712088804 2016-05-01 28.9776513668185 2016-06-01 28.9327558633565 2016-07-01 28.4049466670323 2016-08-01 28.3412095061982 2016-09-01 29.7990132006652 2016-10-01 29.7885436043331 2016-11-01 30.0919249564296 2016-12-01 30.5084629991394 2017-01-01 30.7076994478456 2017-02-01 30.7244281368925 2017-03-01 30.4781826605980 2017-04-01 30.5426229954532 2017-05-01 28.7869414172179 2017-06-01 28.7601363741324 2017-07-01 28.3321461280146 2017-08-01 28.4025232232754 2017-09-01 30.1586764327588 2017-10-01 30.1338455399474 2017-11-01 30.3199648613035 2017-12-01 30.6957431725349 2018-01-01 31.2830852850139 2018-02-01 31.2282309190005 2018-03-01 30.9727128966051 2018-04-01 30.8928667419233 2018-05-01 29.6461839950605 2018-06-01 29.1841494966286 2018-07-01 28.8752517918209 2018-08-01 29.2307795141906 2018-09-01 30.5030312742035 2018-10-01 30.7496348855975