Year Thousands of Persons 1961-01-01 2445 1971-01-01 2347 1977-01-01 2307 1978-01-01 2321 1979-01-01 2358 1980-01-01 2414 1981-01-01 2505 1982-01-01 2548 1983-01-01 2532 1984-01-01 2529 1985-01-01 2513 1986-01-01 2505 1987-01-01 2490 1988-01-01 2501 1989-01-01 2500 1990-01-01 2517 1991-01-01 2528 1992-01-01 2541 1993-01-01 2581 1994-01-01 2619 1995-01-01 2625 1996-01-01 2634 1997-01-01 2611 1998-01-01 2760.100 1999-01-01 2770.200 2000-01-01 2781.225 2001-01-01 2775.250 2002-01-01 2805.525 2003-01-01 2839.350 2004-01-01 2859.050 2005-01-01 2872.300 2006-01-01 2889.800 2007-01-01 2911.425 2008-01-01 2923.225 2009-01-01 2917.775 2010-01-01 2915.550 2011-01-01 2870.375