Year	Cases per 100,000
1990	31.62
1991	33.03
1992	34.51
1993	36.06
1994	37.69
1995	39.4
1996	39.06
1997	38.74
1998	38.44
1999	38.15
2000	37.88
2001	39.16
2002	40.49
2003	41.87
2004	43.3
2005	44.78
2006	45.05
2007	45.32
2008	45.6
2009	45.88
2010	46.18
2011	46.09
2012	46.01
2013	45.93
2014	45.85
2015	45.77
2016	45.7