Year	Cases per 100,000
1990	31.45
1991	31.52
1992	31.6
1993	31.69
1994	31.79
1995	31.9
1996	33.87
1997	36.03
1998	38.42
1999	41.04
2000	43.95
2001	44.73
2002	45.56
2003	46.43
2004	47.35
2005	48.34
2006	50.4
2007	52.61
2008	55
2009	57.59
2010	60.38
2011	60.79
2012	61.21
2013	61.64
2014	62.08
2015	62.52
2016	62.98