Year	Millions of Persons
1960-01-01	1.53
1961-01-01	1.55
1962-01-01	1.56
1963-01-01	1.57
1964-01-01	1.57
1965-01-01	1.58
1966-01-01	1.59
1967-01-01	1.60
1968-01-01	1.60
1969-01-01	1.62
1970-01-01	1.64
1971-01-01	1.66
1972-01-01	1.67
1973-01-01	1.69
1974-01-01	1.71
1975-01-01	1.74
1976-01-01	1.79
1977-01-01	1.84
1978-01-01	1.88
1979-01-01	1.90
1980-01-01	1.95
1981-01-01	1.97
1982-01-01	1.97
1983-01-01	1.97
1984-01-01	1.99
1985-01-01	2.04
1986-01-01	2.11
1987-01-01	2.15
1988-01-01	2.14
1989-01-01	2.08
1990-01-01	2.06
1991-01-01	2.04
1992-01-01	2.03
1993-01-01	2.05
1994-01-01	2.08
1995-01-01	2.12
1996-01-01	2.16
1997-01-01	2.23
1998-01-01	2.29
1999-01-01	2.31
2000-01-01	2.32
2001-01-01	2.33
2002-01-01	2.34
2003-01-01	2.31
2004-01-01	2.32
2005-01-01	2.35
2006-01-01	2.43
2007-01-01	2.53
2008-01-01	2.61
2009-01-01	2.60
2010-01-01	2.60
2011-01-01	2.64