Year	Cases per 100,000
1990	20.36
1991	21.14
1992	22.02
1993	23.01
1994	24.14
1995	25.44
1996	26.91
1997	28.57
1998	30.43
1999	32.52
2000	34.9
2001	36.35
2002	37.92
2003	39.58
2004	41.37
2005	43.28
2006	44.53
2007	45.83
2008	47.21
2009	48.66
2010	50.19
2011	50.68
2012	51.18
2013	51.7
2014	52.23
2015	52.77
2016	53.34