Year	per 1,000 people
1980	12.5460996627808
1985	13.0712995529175
1986	13.2604999542236
1987	13.4562997817993
1988	13.3729000091553
1989	13.5795001983643
1990	13.2264003754
1991	13.20470047
1992	12.6906995773
1993	12.4762001038
1994	12.4638996124
1995	12.3800001144
1996	12.2700004578
1997	12.3599996567
1998	12.4200000763
1999	12.6400003433
2000	12.61
2001	12.58
2002	11.94
2003	11.34
2004	10.71
2005	11.13
2006	11.18
2007	11.23
2008	11.12
2009	11.07
2010	11.45
2011	11.25
2012	11.27
2013	11.05
2014	10.83