Year	Persons
1991-01-01	20512000
1992-01-01	22658000
1993-01-01	23445000
1994-01-01	22975000
1995-01-01	22188000
1996-01-01	22460000
1997-01-01	21981000
1998-01-01	21561000
1999-01-01	20924000
2000-01-01	19639000
2001-01-01	20449000
2002-01-01	22600000
2003-01-01	23330000
2004-01-01	22564000
2005-01-01	22149000
2006-01-01	20884000
2007-01-01	19572000
2008-01-01	21245000
2009-01-01	29136000
2010-01-01	29665000
2011-01-01	27843000
2012-01-01	27029000
2013-01-01	26172000
2014-01-01	23646000
2015-01-01	21630000
2016-01-01	20546000