Year	Cases per 100,000
1990	5.01
1991	5.05
1992	5.09
1993	5.13
1994	5.17
1995	5.21
1996	5.32
1997	5.43
1998	5.54
1999	5.66
2000	5.79
2001	5.92
2002	6.06
2003	6.2
2004	6.35
2005	6.51
2006	6.59
2007	6.67
2008	6.75
2009	6.84
2010	6.93
2011	6.94
2012	6.96
2013	6.98
2014	6.99
2015	7.01
2016	7.04