Year	Cases per 100,000
1990	13.63
1991	13.75
1992	13.87
1993	14
1994	14.13
1995	14.26
1996	14.48
1997	14.71
1998	14.94
1999	15.18
2000	15.43
2001	15.61
2002	15.8
2003	15.99
2004	16.18
2005	16.39
2006	16.62
2007	16.86
2008	17.1
2009	17.35
2010	17.61
2011	17.83
2012	18.05
2013	18.28
2014	18.52
2015	18.75
2016	19