Year	Millions of Persons
1960-01-01	6.24
1961-01-01	6.33
1962-01-01	6.51
1963-01-01	6.66
1964-01-01	6.90
1965-01-01	7.15
1966-01-01	7.44
1967-01-01	7.67
1968-01-01	7.83
1969-01-01	8.08
1970-01-01	8.17
1971-01-01	8.37
1972-01-01	8.63
1973-01-01	9.07
1974-01-01	9.45
1975-01-01	9.63
1976-01-01	9.82
1977-01-01	9.99
1978-01-01	10.29
1979-01-01	10.74
1980-01-01	11.06
1981-01-01	11.38
1982-01-01	11.02
1983-01-01	11.10
1984-01-01	11.38
1985-01-01	11.73
1986-01-01	12.08
1987-01-01	12.41
1988-01-01	12.79
1989-01-01	13.07
1990-01-01	13.16
1991-01-01	12.93
1992-01-01	12.81
1993-01-01	12.87
1994-01-01	13.13
1995-01-01	13.36
1996-01-01	13.48
1997-01-01	13.77
1998-01-01	14.11
1999-01-01	14.46
2000-01-01	14.82
2001-01-01	15.00
2002-01-01	15.36
2003-01-01	15.73
2004-01-01	15.98
2005-01-01	16.19
2006-01-01	16.47
2007-01-01	16.87
2008-01-01	17.15
2009-01-01	16.88
2010-01-01	17.11
2011-01-01	17.37