Year	Age
1970	0.2
1971	0.2
1972	0.2
1973	0.2
1974	0.2
1975	0.2
1976	0.2
1977	0.3
1978	0.3
1979	0.3
1980	0.3
1981	0.3
1982	0.4
1983	0.4
1984	0.4
1985	0.4
1986	0.5
1987	0.5
1988	0.5
1989	0.6
1990	0.6
1991	0.6
1992	0.7
1993	0.7
1994	0.8
1995	0.8
1996	0.8
1997	0.9
1998	0.9
1999	1
2000	1
2001	1.1
2002	1.1
2003	1.2
2004	1.2
2005	1.3
2006	1.3
2007	1.4
2008	1.5
2009	1.5