Year	Cases per 100,000
1990	132.15
1991	134.29
1992	136.54
1993	138.88
1994	141.3
1995	143.84
1996	142.34
1997	141.01
1998	139.81
1999	138.74
2000	137.81
2001	133.24
2002	128.87
2003	124.66
2004	120.61
2005	116.75
2006	113.57
2007	110.49
2008	107.53
2009	104.67
2010	101.93
2011	99.06
2012	96.32
2013	93.68
2014	91.15
2015	88.72
2016	86.4