Year Number 2004-01-01 29344000 2005-01-01 29910000 2006-01-01 30217000 2007-01-01 31318000 2008-01-01 33608000 2009-01-01 33705000 2010-01-01 34680000 2011-01-01 34998000 2012-01-01 35176000 2013-01-01 35844000 2014-01-01 35038850 2015-01-01 35238114 2016-01-01 25695000