Year	Thousands of Persons
1971-01-01	1058
1972-01-01	1116
1973-01-01	946
1974-01-01	948
1975-01-01	1174
1976-01-01	1414
1977-01-01	1470
1978-01-01	1453
1979-01-01	1432
1980-01-01	1833
1981-01-01	2609
1982-01-01	2875
1983-01-01	3081
1984-01-01	3241
1985-01-01	3151
1986-01-01	3160
1987-01-01	2940
1988-01-01	2445
1989-01-01	2082
1990-01-01	2053
1991-01-01	2530
1992-01-01	2822
1993-01-01	2929
1994-01-01	2676
1995-01-01	2436
1996-01-01	2296
1997-01-01	1988
1998-01-01	1788
1999-01-01	1727
2000-01-01	1587
2001-01-01	1489
2002-01-01	1529
2003-01-01	1490
2004-01-01	1426
2005-01-01	1467
2006-01-01	1674
2007-01-01	1654
2008-01-01	1783
2009-01-01	2390
2010-01-01	2476
2011-01-01	2564
2012-01-01	2547