Year	Cases per 100,000
1990	0.6012
1991	0.8838
1992	0.3995
1993	0.3094
1994	0.743
1995	0.3786
1996	0.7684
1997	0.6743
1999	2.331
2000	1.773
2001	1.405
2002	0.9773