Year Thousands of Persons 1962-01-01 9877.00 1963-01-01 9895.00 1964-01-01 9839.00 1965-01-01 9844.00 1966-01-01 9745.00 1967-01-01 9508.00 1968-01-01 9500.00 1969-01-01 9577.00 1970-01-01 9638.00 1971-01-01 9728.00 1972-01-01 9866.00 1973-01-01 10034.00 1974-01-01 10110.00 1975-01-01 10060.00 1976-01-01 10022.00 1977-01-01 9988.00 1978-01-01 10030.00 1979-01-01 10120.00 1980-01-01 10569.00 1981-01-01 11062.00 1982-01-01 11159.00 1983-01-01 11169.00 1984-01-01 10970.00 1985-01-01 11085.00 1986-01-01 11270.00 1987-01-01 11473.00 1988-01-01 11668.00 1989-01-01 11861.00 1990-01-01 12420.00 1991-01-01 16716.00 1992-01-01 16700.00 1993-01-01 16755.00 1994-01-01 16752.00 1995-01-01 16789.00 1996-01-01 16933.00 1997-01-01 17110.00 1998-01-01 17303.00 1999-01-01 17343.84 2000-01-01 17396.94 2001-01-01 17536.46 2002-01-01 17672.94 2003-01-01 17814.63 2004-01-01 18033.96 2005-01-01 18401.65 2006-01-01 18743.75 2007-01-01 18906.32 2008-01-01 18958.55 2009-01-01 19047.75 2010-01-01 19095.62 2011-01-01 19429.15