Year	Per 1000 Births
1990	44.3
1991	42.9
1992	41.6
1993	40.4
1994	39.2
1995	38.1
1996	37
1997	35.9
1998	34.9
1999	34
2000	33.3
2001	32.6
2002	32.1
2003	31.7
2004	31.5
2005	31.5
2006	31.7
2007	32
2008	32.2
2009	32.2
2010	32
2011	31.5
2012	31
2013	30.4
2014	29.7
2015	29.1