Year	Per 1000 Births
1997	32.78
1998	30.59
1999	28.4
2000	26.2
2001	24.01
2002	21.81
2003	21.61
2004	21.41
2005	21.2
2006	21
2007	20.8
2008	20.39
2009	19.97
2010	19.56