Year	per 1,000 people
1980	13.8909997940063
1985	14.3086004257202
1986	14.1928997039795
1987	14.2390003204346
1988	14.0949001312256
1989	14.0235004425049
1990	14.0754003525
1991	13.6218996048
1992	12.9406003952
1993	12.2314996719
1994	12.0551996231
1995	11.1899995804
1996	10.4399995804
1997	9.8000001907
1998	9.4099998474
1999	9.029999733
2000	8.77
2001	8.28
2002	7.87
2003	7.95
2004	7.91
2005	7.9
2006	7.85
2007	7.83
2008	7.77
2009	6.74
2010	5.68
2011	5.88
2012	5.89
2013	5.8
2014	5.66
2015	5.69
2016	5.72
2017	5.57
2018	5.49