Year	Cases per 100,000
1990	181.11
1991	184.45
1992	187.99
1993	191.68
1994	195.53
1995	199.61
1996	197.99
1997	196.53
1998	195.19
1999	193.95
2000	192.88
2001	189.66
2002	186.61
2003	183.68
2004	180.82
2005	178.17
2006	176.88
2007	175.57
2008	174.43
2009	173.34
2010	172.42
2011	172.3
2012	172.31
2013	172.32
2014	172.33
2015	172.35
2016	172.51