Year	Cases per 100,000
1990	21.64
1991	21.66
1992	21.69
1993	21.72
1994	21.75
1995	21.8
1996	21.91
1997	22.03
1998	22.15
1999	22.27
2000	22.41
2001	22.54
2002	22.68
2003	22.82
2004	22.96
2005	23.12
2006	23.2
2007	23.26
2008	23.33
2009	23.41
2010	23.5
2011	23.52
2012	23.55
2013	23.58
2014	23.62
2015	23.65
2016	23.7