Year	Thousands of Persons
1970-01-01	27.4167
1971-01-01	44.2500
1972-01-01	48.0833
1973-01-01	45.6667
1974-01-01	41.0833
1975-01-01	35.5000
1976-01-01	35.8167
1977-01-01	39.7000
1978-01-01	45.1667
1979-01-01	44.3833
1980-01-01	44.6250
1981-01-01	52.5083
1982-01-01	67.6333
1983-01-01	72.4250
1984-01-01	66.8583
1985-01-01	59.5750
1986-01-01	56.3750
1987-01-01	45.3167
1988-01-01	37.4167
1989-01-01	32.8417
1990-01-01	35.5167
1991-01-01	55.9250
1992-01-01	88.3500
1993-01-01	137.3167
1994-01-01	137.8083
1995-01-01	142.0917
1996-01-01	154.6750
1997-01-01	153.8333
1998-01-01	122.8500
1999-01-01	107.2833
2000-01-01	89.1833
2001-01-01	76.3417
2002-01-01	75.7083
2003-01-01	93.7083
2004-01-01	108.8417
2005-01-01	150.1917
2006-01-01	159.7833
2007-01-01	141.7000
2008-01-01	151.4000
2009-01-01	185.2167
2010-01-01	192.8667
2011-01-01	177.0833