Year	Per 1000 Births
1997	22.5
1998	22.26
1999	22.01
2000	21.76
2001	21.51
2002	21.27
2003	21.47
2004	21.68
2005	21.89
2006	22.09
2007	22.3
2008	21.44
2009	20.58
2010	19.73