Year	Per 1000 Births
1952	59.5
1957	61.7
1962	63.2
1967	61
1972	65.4
1977	71
1982	62.6
1987	66.4
1992	70.5
1997	67.3
1998	66.54
1999	65.78
2000	65.02
2001	64.26
2002	63.5
2003	63.02
2004	62.54
2005	62.06
2006	61.58
2007	61.1
2008	60.69
2009	60.27
2010	59.86