Year	per 1,000 people
1980	13.0934000015259
1981	13.229100227356
1982	13.3114995956421
1983	13.3694000244141
1984	13.5123996734619
1985	13.5857000350952
1986	13.5607004165649
1987	13.5560998916626
1988	13.5441999435425
1989	13.6300001144409
1990	13.6660995483
1991	13.7089996338
1992	13.4618997574
1993	13.1665000916
1994	12.1447000504
1995	11.6499996185
1996	10.3299999237
1997	8.4499998093
1998	8.1899995804
1999	7.25
2000	7.19
2001	6.97
2002	7.02
2003	7.7
2004	7.77
2005	7.76
2006	7.78
2007	7.72
2008	7.71
2009	7.61
2010	7.29
2011	7.11
2012	7.01
2013	6.72
2014	6.06