Year	per 100 people
1960	0
1965	0
1970	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1990	0
1991	0
1992	1.397819402
1993	1.758705593
1994	2.29498164
1995	2.340780135
1996	2.385321101
1997	2.518982331
1998	2.650036217
1999	3.125325555
2000	3.420917053
2001	3.696591455
2002	3.499664816
2003	3.624439075
2004	3.904487558