Year Thousands of Persons 1961-01-01 1099 1971-01-01 863.000 1977-01-01 983.000 1978-01-01 986.000 1979-01-01 984.000 1980-01-01 994.000 1981-01-01 1108 1982-01-01 1075 1983-01-01 1157 1984-01-01 1177 1985-01-01 1217 1986-01-01 1223 1987-01-01 1236 1988-01-01 1278 1989-01-01 1285 1990-01-01 1310 1991-01-01 1226 1992-01-01 1281 1993-01-01 1299 1994-01-01 1337 1995-01-01 1371 1996-01-01 1401 1997-01-01 1415 1998-01-01 1461.675 1999-01-01 1484.175 2000-01-01 1515.350 2001-01-01 1512.325 2002-01-01 1561.175 2003-01-01 1611.200 2004-01-01 1642.275 2005-01-01 1672.100 2006-01-01 1724.900 2007-01-01 1749.550 2008-01-01 1784.050 2009-01-01 1790.875 2010-01-01 1761.825 2011-01-01 1649.250