Year	Cases per 100,000
1990	117.53
1991	122.29
1992	127.49
1993	133.13
1994	139.26
1995	145.95
1996	146.72
1997	147.68
1998	148.8
1999	150.08
2000	151.58
2001	154.35
2002	157.29
2003	160.38
2004	163.62
2005	167.1
2006	167.27
2007	167.38
2008	167.58
2009	167.81
2010	168.17
2011	168.96
2012	169.91
2013	170.88
2014	171.89
2015	172.92
2016	174.1