Year	Per 1000 Births
1952	62.4
1957	61.8
1962	61.1
1967	60.4
1972	68.3
1977	84
1982	74.2
1987	71
1990	68.3
1991	69.6
1992	65.5
1993	63.1
1994	62.6
1995	61.7
1996	62.8
1997	66.8
1998	64.9
1999	64
2000	64.7
2001	61
2002	61.5
2003	57.5
2004	63.7
2005	63.8
2006	63
2007	64.5
2008	67.4
2009	68.2
2010	68.2