Year	Thousands of Persons
1970-01-01	3850
1971-01-01	3854
1972-01-01	3856
1973-01-01	3873
1974-01-01	3956
1975-01-01	4056
1976-01-01	4082
1977-01-01	4093
1978-01-01	4109
1979-01-01	4174
1980-01-01	4226
1981-01-01	4219
1982-01-01	4213
1983-01-01	4218
1984-01-01	4249
1985-01-01	4293
1986-01-01	4326
1987-01-01	4340
1988-01-01	4410
1989-01-01	4480
1990-01-01	4513
1991-01-01	4447
1992-01-01	4265
1993-01-01	4027
1994-01-01	3990
1995-01-01	4053
1996-01-01	4014
1997-01-01	3974
1998-01-01	4036
1999-01-01	4116
2000-01-01	4230
2001-01-01	4303
2002-01-01	4311
2003-01-01	4301
2004-01-01	4279
2005-01-01	4334
2006-01-01	4416
2007-01-01	4530
2008-01-01	4581
2009-01-01	4487
2010-01-01	4513
2011-01-01	4615
2012-01-01	4645