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1986-08-01 16355000 1986-09-01 16098000 1986-10-01 16551000 1986-11-01 16059000 1986-12-01 14784000 1987-01-01 14232000 1987-02-01 14841000 1987-03-01 15888000 1987-04-01 16617000 1987-05-01 17060000 1987-06-01 17273000 1987-07-01 16951000 1987-08-01 16901000 1987-09-01 17013000 1987-10-01 17177000 1987-11-01 16630000 1987-12-01 15665000 1988-01-01 15282000 1988-02-01 15304000 1988-03-01 16428000 1988-04-01 17055000 1988-05-01 17425000 1988-06-01 17593000 1988-07-01 17148000 1988-08-01 17427000 1988-09-01 17626000 1988-10-01 17915000 1988-11-01 17122000 1988-12-01 16107000 1989-01-01 15731000 1989-02-01 15880000 1989-03-01 17141000 1989-04-01 17834000 1989-05-01 18140000 1989-06-01 18269000 1989-07-01 18118000 1989-08-01 18098000 1989-09-01 18108000 1989-10-01 18365000 1989-11-01 17954000 1989-12-01 17089000 1990-01-01 16409000 1990-02-01 16579000 1990-03-01 17741000 1990-04-01 18306000 1990-05-01 18601000 1990-06-01 18727000 1990-07-01 18652000 1990-08-01 18533000 1990-09-01 18621000 1990-10-01 18723000 1990-11-01 18388000 1990-12-01 17737000 1991-01-01 17347000 1991-02-01 17300000 1991-03-01 18032000 1991-04-01 18777000 1991-05-01 19036000 1991-06-01 19192000 1991-07-01 19082000 1991-08-01 19051000 1991-09-01 19180000 1991-10-01 19339000 1991-11-01 19051000 1991-12-01 18398000 1992-01-01 17893000 1992-02-01 17878000 1992-03-01 18761000 1992-04-01 19216000 1992-05-01 19426000 1992-06-01 19526000 1992-07-01 19430000 1992-08-01 19311000 1992-09-01 19342000 1992-10-01 19532000 1992-11-01 19237000 1992-12-01 18560000 1993-01-01 18126000 1993-02-01 17959000 1993-03-01 18760000 1993-04-01 19170000 1993-05-01 19567000 1993-06-01 19680000 1993-07-01 19660000 1993-08-01 19572000 1993-09-01 19712000 1993-10-01 19745000 1993-11-01 19620000 1993-12-01 19243000 1994-01-01 18920000 1994-02-01 18923000 1994-03-01 19421000 1994-04-01 19872000 1994-05-01 20059000 1994-06-01 20269000 1994-07-01 20194000 1994-08-01 20137000 1994-09-01 20221000 1994-10-01 20312000 1994-11-01 20141000 1994-12-01 19712000 1995-01-01 19510000 1995-02-01 19497000 1995-03-01 19951000 1995-04-01 20374000 1995-05-01 20665000 1995-06-01 20735000 1995-07-01 20766000 1995-08-01 20697000 1995-09-01 20756000 1995-10-01 20952000 1995-11-01 20791000 1995-12-01 20279000 1996-01-01 19943000 1996-02-01 19918000 1996-03-01 20269000 1996-04-01 20802000 1996-05-01 21066000 1996-06-01 21129000 1996-07-01 21172000 1996-08-01 21108000 1996-09-01 21272000 1996-10-01 21388000 1996-11-01 21302000 1996-12-01 20868000 1997-01-01 20556000 1997-02-01 20431000 1997-03-01 20880000 1997-04-01 21373000 1997-05-01 21502000 1997-06-01 21523000 1997-07-01 21547000 1997-08-01 21467000 1997-09-01 21480000 1997-10-01 21538000 1997-11-01 21388000 1997-12-01 20882000 1998-01-01 19686000 1998-02-01 19531000 1998-03-01 19875000 1998-04-01 20109000 1998-05-01 20207000 1998-06-01 20175000 1998-07-01 20012000 1998-08-01 19875000 1998-09-01 20064000 1998-10-01 20204000 1998-11-01 19912000 1998-12-01 19599000 1999-01-01 18996000 1999-02-01 18873000 1999-03-01 19485000 1999-04-01 20066000 1999-05-01 20386000 1999-06-01 20599000 1999-07-01 20586000 1999-08-01 20532000 1999-09-01 20999000 1999-10-01 21170000 1999-11-01 21129000 1999-12-01 20673000 2000-01-01 20209800 2000-02-01 20234700 2000-03-01 20696300 2000-04-01 21115100 2000-05-01 21419900 2000-06-01 21475500 2000-07-01 21616300 2000-08-01 21379500 2000-09-01 21561300 2000-10-01 21731100 2000-11-01 21565600 2000-12-01 21070700 2001-01-01 20518000 2001-02-01 20469500 2001-03-01 20959100 2001-04-01 21697300 2001-05-01 21969200 2001-06-01 21979000 2001-07-01 22014000 2001-08-01 21783200 2001-09-01 22043100 2001-10-01 22138800 2001-11-01 22116000 2001-12-01 21676700 2002-01-01 21384800 2002-02-01 21465500 2002-03-01 21823500 2002-04-01 22363100 2002-05-01 22518300 2002-06-01 22579000 2002-07-01 22595500 2002-08-01 22289300 2002-09-01 22561900 2002-10-01 22613500 2002-11-01 22463900 2002-12-01 22119500 2003-01-01 21633600 2003-02-01 21570100 2003-03-01 21910500 2003-04-01 22235100 2003-05-01 22453400 2003-06-01 22468700 2003-07-01 22540000 2003-08-01 22211300 2003-09-01 22389000 2003-10-01 22543400 2003-11-01 22515900 2003-12-01 22188200 2004-01-01 22028700 2004-02-01 22104100 2004-03-01 22482400 2004-04-01 22800800 2004-05-01 22878900 2004-06-01 22970900 2004-07-01 22901700 2004-08-01 22524800 2004-09-01 22943800 2004-10-01 23031000 2004-11-01 22917600 2004-12-01 22597700 2005-01-01 22157700 2005-02-01 22134700 2005-03-01 22590300 2005-04-01 22919000 2005-05-01 23143200 2005-06-01 23152200 2005-07-01 23105900 2005-08-01 22778800 2005-09-01 22996400 2005-10-01 23145300 2005-11-01 23164400 2005-12-01 22684600 2006-01-01 22469800 2006-02-01 22413000 2006-03-01 22852100 2006-04-01 23247300 2006-05-01 23496500 2006-06-01 23520300 2006-07-01 23475900 2006-08-01 23211400 2006-09-01 23391600 2006-10-01 23536900 2006-11-01 23546600 2006-12-01 23095400 2007-01-01 22846200 2007-02-01 22790500 2007-03-01 23235400 2007-04-01 23629400 2007-05-01 23862900 2007-06-01 23919700 2007-07-01 23865300 2007-08-01 23581500 2007-09-01 23759100 2007-10-01 23904600 2007-11-01 23906500 2007-12-01 23432200 2008-01-01 23141200 2008-02-01 23064700 2008-03-01 23490000 2008-04-01 23907400 2008-05-01 24143800 2008-06-01 24174400 2008-07-01 24114300 2008-08-01 23824500 2008-09-01 23935600 2008-10-01 24044700 2008-11-01 24016500 2008-12-01 23440700 2009-01-01 23051100 2009-02-01 22929600 2009-03-01 23295100 2009-04-01 23709800 2009-05-01 23904000 2009-06-01 24148400 2009-07-01 24006300 2009-08-01 23797100 2009-09-01 23982500 2009-10-01 24038300 2009-11-01 23982800 2009-12-01 23406300 2010-01-01 23040700 2010-02-01 23047400 2010-03-01 23559900 2010-04-01 24116400 2010-05-01 24495100 2010-06-01 24474200 2010-07-01 24499600 2010-08-01 24214300 2010-09-01 24270200 2010-10-01 24398000 2010-11-01 24346600 2010-12-01 23931300 2011-01-01 23438900 2011-02-01 23589200 2011-03-01 24114200 2011-04-01 24580500 2011-05-01 24950000 2011-06-01 25052500 2011-07-01 24933100 2011-08-01 24783700 2011-09-01 24604300 2011-10-01 24964800 2011-11-01 24885400 2011-12-01 24420700 2012-01-01 24023700 2012-02-01 24079000 2012-03-01 24566000 2012-04-01 25057900 2012-05-01 25430500 2012-06-01 25411500 2012-07-01 25377800 2012-08-01 25120500 2012-09-01 25256600 2012-10-01 25314900 2012-11-01 25182100 2012-12-01 24637000 2013-01-01 24286500 2013-02-01 24214600 2013-03-01 24736200 2013-04-01 25322100 2013-05-01 25610400 2013-06-01 25685500 2013-07-01 25681300 2013-08-01 25513000 2013-09-01 25701300 2013-10-01 25797900 2013-11-01 25795400 2013-12-01 25248100 2014-01-01 25050300 2014-02-01 25116400 2014-03-01 25462500 2014-04-01 25985000 2014-05-01 26111500 2014-06-01 26178200 2014-07-01 26280400 2014-08-01 26183000 2014-09-01 26213200 2014-10-01 26246600 2014-11-01 26260000 2014-12-01 25679400 2015-01-01 25391900 2015-02-01 25470700 2015-03-01 25766100 2015-04-01 26153200 2015-05-01 26430800 2015-06-01 26440100 2015-07-01 26537500 2015-08-01 26368700 2015-09-01 26487400 2015-10-01 26518700 2015-11-01 26469400 2015-12-01 26097800 2016-01-01 25646300 2016-02-01 25615300 2016-03-01 25980000 2016-04-01 26324700 2016-05-01 26612900 2016-06-01 26718200 2016-07-01 26764600 2016-08-01 26696000 2016-09-01 26696800 2016-10-01 26745600 2016-11-01 26761900 2016-12-01 26347000 2017-01-01 25878300 2017-02-01 25979300 2017-03-01 26442500 2017-04-01 26744200 2017-05-01 26991900 2017-06-01 27019900 2017-07-01 27078400 2017-08-01 26904300 2017-09-01 27010700 2017-10-01 27026300 2017-11-01 27018500 2017-12-01 26603700 2018-01-01 26212500 2018-02-01 26082800 2018-03-01 26554500 2018-04-01 26867600 2018-05-01 27063700 2018-06-01 27126300 2018-07-01 27083400 2018-08-01 26906800 2018-09-01 27055300