Year Thousands of Persons 1988-01-01 621 1989-01-01 593 1990-01-01 524 1991-01-01 452 1992-01-01 484 1993-01-01 491 1994-01-01 509 1995-01-01 470 1996-01-01 387 1997-01-01 487 1998-01-01 445 1999-01-01 518 2000-01-01 387 2001-01-01 482 2002-01-01 638 2003-01-01 663 2004-01-01 622 2005-01-01 638.50 2006-01-01 657.75 2007-01-01 660.50 2008-01-01 734 2009-01-01 978.75 2010-01-01 960 2011-01-01 885.50