Year Thousands of Persons 1962-01-01 16569.00 1963-01-01 16610.00 1964-01-01 16627.00 1965-01-01 16721.00 1966-01-01 16736.00 1967-01-01 16413.00 1968-01-01 16314.00 1969-01-01 16473.00 1970-01-01 16680.00 1971-01-01 16774.00 1972-01-01 16595.00 1973-01-01 16651.00 1974-01-01 16511.00 1975-01-01 16300.00 1976-01-01 16098.00 1977-01-01 16056.00 1978-01-01 16132.00 1979-01-01 16271.00 1980-01-01 16847.00 1981-01-01 16707.00 1982-01-01 16867.00 1983-01-01 16878.00 1984-01-01 16801.00 1985-01-01 16828.00 1986-01-01 16972.00 1987-01-01 17034.00 1988-01-01 17025.00 1989-01-01 17243.00 1990-01-01 17853.00 1991-01-01 22359.00 1992-01-01 22305.00 1993-01-01 22347.00 1994-01-01 22322.00 1995-01-01 22191.00 1996-01-01 22209.00 1997-01-01 22305.00 1998-01-01 22451.00 1999-01-01 22031.45 2000-01-01 21903.78 2001-01-01 21919.08 2002-01-01 21826.37 2003-01-01 21776.73 2004-01-01 21761.69 2005-01-01 22530.82 2006-01-01 22673.95 2007-01-01 22683.30 2008-01-01 22718.95 2009-01-01 22651.50 2010-01-01 22587.75 2011-01-01 22810.38