Year Cases per 100,000 1990 49.17 1991 50.98 1992 52.91 1993 54.92 1994 57.03 1995 59.24 1996 61.32 1997 63.49 1998 65.76 1999 68.13 2000 70.61 2001 71.79 2002 72.99 2003 74.22 2004 75.48 2005 76.77 2006 77.33 2007 77.89 2008 78.46 2009 79.05 2010 79.66 2011 80.44 2012 81.24 2013 82.06 2014 82.9 2015 83.75 2016 84.64