Year	Cases per 100,000
1990	4.96
1991	4.97
1992	4.98
1993	4.99
1994	5.01
1995	5.02
1996	5.1
1997	5.17
1998	5.25
1999	5.33
2000	5.42
2001	5.47
2002	5.52
2003	5.57
2004	5.62
2005	5.68
2006	5.72
2007	5.76
2008	5.81
2009	5.85
2010	5.9
2011	5.94
2012	5.98
2013	6.03
2014	6.07
2015	6.12
2016	6.16