Year	Cases per 100,000
1990	1.15
1991	1.2
1992	1.24
1993	1.28
1994	1.33
1995	1.38
1996	1.45
1997	1.52
1998	1.6
1999	1.68
2000	1.77
2001	1.86
2002	1.96
2003	2.06
2004	2.17
2005	2.28
2006	2.34
2007	2.4
2008	2.46
2009	2.52
2010	2.59
2011	2.6
2012	2.62
2013	2.64
2014	2.66
2015	2.68
2016	2.7