Year Thousands of Persons 1972-01-01 3262 1973-01-01 3587 1974-01-01 3688 1975-01-01 3542 1976-01-01 3849 1977-01-01 3754.950 1978-01-01 3789.100 1979-01-01 3832.775 1980-01-01 3850.150 1981-01-01 3848.675 1982-01-01 3963.475 1983-01-01 4113.675 1984-01-01 4169.200 1985-01-01 4239.350 1986-01-01 4343.975 1987-01-01 4838 1988-01-01 5145.400 1989-01-01 5242.575 1990-01-01 5377.475 1991-01-01 5492.125 1992-01-01 5655.900 1993-01-01 5816.175 1994-01-01 6026.550 1995-01-01 6176.475 1996-01-01 6334.500 1997-01-01 6514.500 1998-01-01 6630.400 1999-01-01 6819.975 2000-01-01 7143.725 2001-01-01 7072.050 2002-01-01 7491.300 2003-01-01 7908.900 2004-01-01 8279.350 2005-01-01 8634.075 2006-01-01 9050.725 2007-01-01 9387.400 2008-01-01 9816.525 2009-01-01 10099.000 2010-01-01 10269.730 2011-01-01 10422.950