Year	Cases per 100,000
1990	27.32
1991	28.17
1992	29.06
1993	30.01
1994	31
1995	32.06
1996	31.94
1997	31.84
1998	31.75
1999	31.68
2000	31.63
2001	31.91
2002	32.2
2003	32.5
2004	32.81
2005	33.13
2006	33.83
2007	34.54
2008	35.29
2009	36.07
2010	36.89
2011	36.95
2012	37.04
2013	37.14
2014	37.24
2015	37.36
2016	37.49