Year	Cases per 100,000
1990	14.24
1991	14.29
1992	14.35
1993	14.42
1994	14.48
1995	14.55
1996	15.04
1997	15.57
1998	16.12
1999	16.7
2000	17.3
2001	18.14
2002	19.02
2003	19.95
2004	20.94
2005	21.99
2006	21.98
2007	21.96
2008	21.94
2009	21.93
2010	21.92
2011	21.97
2012	22.03
2013	22.08
2014	22.14
2015	22.2
2016	22.26