Year	Cases per 100,000
1990	14.47
1991	14.59
1992	14.72
1993	14.86
1994	15
1995	15.16
1996	15.17
1997	15.19
1998	15.21
1999	15.24
2000	15.28
2001	15.56
2002	15.87
2003	16.19
2004	16.52
2005	16.86
2006	17.16
2007	17.44
2008	17.75
2009	18.07
2010	18.4
2011	18.54
2012	18.69
2013	18.85
2014	19.01
2015	19.16
2016	19.33