Year	Cases per 100,000
1990	20.4
1991	20.87
1992	21.36
1993	21.87
1994	22.4
1995	22.95
1996	23.83
1997	24.76
1998	25.74
1999	26.76
2000	27.84
2001	29.06
2002	30.36
2003	31.73
2004	33.17
2005	34.69
2006	35.74
2007	36.82
2008	37.94
2009	39.11
2010	40.34
2011	41.34
2012	42.39
2013	43.47
2014	44.59
2015	45.74
2016	46.93