Year	per 100 people
1983	0.972897846
1990	1.085823489
1991	1.487652484
1992	1.770280121
1993	4.69924812
1994	5.971107544
1995	6.281803479
1996	6.552446738
1997	6.512853814
1998	7.042359491
1999	7.205483523
2000	7.374963116
2001	7.693014537
2002	8.035452143
2003	8.186372562
2004	10.12216405
2014	4.682758484