Year Cases per 100,000 1990 46.57 1991 49.46 1992 52.57 1993 55.9 1994 59.46 1995 63.3 1996 64.85 1997 66.46 1998 68.12 1999 69.83 2000 71.58 2001 72.55 2002 73.54 2003 74.55 2004 75.57 2005 76.62 2006 79.15 2007 81.78 2008 84.5 2009 87.32 2010 90.25 2011 93 2012 95.85 2013 98.8 2014 101.84 2015 104.99 2016 108.26