Year	Cases per 100,000
1990	5.13
1991	5.2
1992	5.27
1993	5.34
1994	5.41
1995	5.49
1996	5.53
1997	5.58
1998	5.62
1999	5.67
2000	5.72
2001	5.82
2002	5.92
2003	6.03
2004	6.14
2005	6.26
2006	6.51
2007	6.78
2008	7.07
2009	7.37
2010	7.7
2011	7.76
2012	7.83
2013	7.89
2014	7.97
2015	8.04
2016	8.12