Year	Cases per 100,000
1990	54.62
1991	55.93
1992	57.4
1993	59.35
1994	61.86
1995	64.92
1996	63.29
1997	61.57
1998	59.94
1999	58.13
2000	56.31
2001	56.09
2002	56.6
2003	56.43
2004	56.07
2005	55.71
2006	55.26
2007	54.53
2008	54.01
2009	53.77
2010	53.64
2011	53.46
2012	52.88
2013	51.97
2014	51.06
2015	51.71
2016	52.38