Year	Millions of Persons
1960-01-01	10.28
1961-01-01	10.55
1962-01-01	10.74
1963-01-01	10.95
1964-01-01	11.17
1965-01-01	11.39
1966-01-01	11.60
1967-01-01	11.80
1968-01-01	12.01
1969-01-01	12.26
1970-01-01	12.51
1971-01-01	13.07
1972-01-01	13.30
1973-01-01	13.50
1974-01-01	13.72
1975-01-01	13.89
1976-01-01	14.03
1977-01-01	14.19
1978-01-01	14.36
1979-01-01	14.52
1980-01-01	14.70
1981-01-01	14.92
1982-01-01	15.18
1983-01-01	15.39
1984-01-01	15.58
1985-01-01	15.79
1986-01-01	16.02
1987-01-01	16.26
1988-01-01	16.53
1989-01-01	16.81
1990-01-01	17.07
1991-01-01	17.28
1992-01-01	17.49
1993-01-01	17.67
1994-01-01	17.85
1995-01-01	18.07
1996-01-01	18.31
1997-01-01	18.52
1998-01-01	18.71
1999-01-01	18.93
2000-01-01	19.15
2001-01-01	19.41
2002-01-01	19.65
2003-01-01	19.90
2004-01-01	20.13
2005-01-01	20.39
2006-01-01	20.70
2007-01-01	21.02
2008-01-01	21.38
2009-01-01	21.78
2010-01-01	22.07
2011-01-01	22.32