Year	Cases per 100,000
1990	27.98
1991	28.44
1992	28.91
1993	29.4
1994	29.9
1995	30.41
1996	31.18
1997	31.98
1998	32.8
1999	33.65
2000	34.53
2001	35.25
2002	36
2003	36.76
2004	37.54
2005	38.34
2006	39.39
2007	40.46
2008	41.56
2009	42.7
2010	43.88
2011	44.3
2012	44.74
2013	45.18
2014	45.63
2015	46.08
2016	46.55