Year	Cases per 100,000
1990	5.23
1991	5.29
1992	5.35
1993	5.41
1994	5.47
1995	5.53
1996	5.65
1997	5.76
1998	5.88
1999	6.01
2000	6.13
2001	6.19
2002	6.25
2003	6.3
2004	6.36
2005	6.42
2006	6.44
2007	6.46
2008	6.48
2009	6.49
2010	6.51
2011	6.55
2012	6.6
2013	6.64
2014	6.69
2015	6.73
2016	6.78