Year	Millions of Persons
1960-01-01	3.58
1961-01-01	3.61
1962-01-01	3.64
1963-01-01	3.67
1964-01-01	3.69
1965-01-01	3.72
1966-01-01	3.75
1967-01-01	3.79
1968-01-01	3.82
1969-01-01	3.85
1970-01-01	3.88
1971-01-01	3.90
1972-01-01	3.93
1973-01-01	3.96
1974-01-01	3.99
1975-01-01	4.01
1976-01-01	4.03
1977-01-01	4.04
1978-01-01	4.06
1979-01-01	4.07
1980-01-01	4.09
1981-01-01	4.10
1982-01-01	4.11
1983-01-01	4.13
1984-01-01	4.14
1985-01-01	4.15
1986-01-01	4.17
1987-01-01	4.19
1988-01-01	4.21
1989-01-01	4.23
1990-01-01	4.24
1991-01-01	4.26
1992-01-01	4.29
1993-01-01	4.31
1994-01-01	4.34
1995-01-01	4.36
1996-01-01	4.38
1997-01-01	4.41
1998-01-01	4.43
1999-01-01	4.46
2000-01-01	4.49
2001-01-01	4.51
2002-01-01	4.54
2003-01-01	4.56
2004-01-01	4.59
2005-01-01	4.62
2006-01-01	4.66
2007-01-01	4.71
2008-01-01	4.77
2009-01-01	4.83
2010-01-01	4.89
2011-01-01	4.95