Year	Millions of Persons
1960-01-01	50.20
1961-01-01	50.54
1962-01-01	50.88
1963-01-01	51.25
1964-01-01	51.68
1965-01-01	52.11
1966-01-01	52.52
1967-01-01	52.90
1968-01-01	53.24
1969-01-01	53.54
1970-01-01	53.82
1971-01-01	54.07
1972-01-01	54.38
1973-01-01	54.75
1974-01-01	55.11
1975-01-01	55.44
1976-01-01	55.72
1977-01-01	55.96
1978-01-01	56.16
1979-01-01	56.32
1980-01-01	56.43
1981-01-01	56.50
1982-01-01	56.54
1983-01-01	56.56
1984-01-01	56.58
1985-01-01	56.59
1986-01-01	56.60
1987-01-01	56.60
1988-01-01	56.63
1989-01-01	56.67
1990-01-01	56.72
1991-01-01	56.78
1992-01-01	56.80
1993-01-01	56.83
1994-01-01	56.84
1995-01-01	56.84
1996-01-01	56.86
1997-01-01	56.89
1998-01-01	56.91
1999-01-01	56.92
2000-01-01	56.94
2001-01-01	56.98
2002-01-01	57.16
2003-01-01	57.60
2004-01-01	58.18
2005-01-01	58.61
2006-01-01	58.94
2007-01-01	59.38
2008-01-01	59.83
2009-01-01	60.19
2010-01-01	60.48
2011-01-01	60.75