Year Persons 1998-01-01 271059449 1999-01-01 276207757 2000-01-01 278944452 2001-01-01 281474939 2002-01-01 285317346 2003-01-01 287699184 2004-01-01 290616537 2005-01-01 287270432 2006-01-01 291531091 2007-01-01 293744043 2008-01-01 296184480 2009-01-01 299026555 2010-01-01 301535021 2011-01-01 303778193 2012-01-01 306086063 2013-01-01 308196783 2014-01-01 310899910 2015-01-01 313476400 2016-01-01 315165470