Year	Thousands of Persons
1970-01-01	640
1971-01-01	640
1972-01-01	740
1973-01-01	720
1974-01-01	620
1975-01-01	690
1976-01-01	790
1977-01-01	840
1978-01-01	850
1979-01-01	920
1980-01-01	920
1981-01-01	1040
1982-01-01	1160
1983-01-01	1270
1984-01-01	1280
1985-01-01	1310
1986-01-01	1680
1987-01-01	1760
1988-01-01	1790
1989-01-01	1760
1990-01-01	1590
1991-01-01	1580
1992-01-01	1680
1993-01-01	2296
1994-01-01	2493
1995-01-01	2616
1996-01-01	2619
1997-01-01	2641
1998-01-01	2681
1999-01-01	2593
2000-01-01	2408
2001-01-01	2173
2002-01-01	2058
2003-01-01	2050
2004-01-01	1960
2005-01-01	1889
2006-01-01	1673
2007-01-01	1506
2008-01-01	1692
2009-01-01	1945
2010-01-01	2102
2011-01-01	2108
2012-01-01	2744