Year	Cases per 100,000
1990	28.54
1991	29.75
1992	31.03
1993	32.38
1994	33.8
1995	35.31
1996	35.54
1997	35.78
1998	36.03
1999	36.29
2000	36.57
2001	37.21
2002	37.89
2003	38.6
2004	39.33
2005	40.1
2006	41.19
2007	42.31
2008	43.49
2009	44.72
2010	46.01
2011	47.04
2012	48.11
2013	49.22
2014	50.35
2015	51.52
2016	52.72