Year Cases per 100,000 1990 9.38 1991 9.48 1992 9.59 1993 9.7 1994 9.82 1995 9.94 1996 10.27 1997 10.61 1998 10.97 1999 11.35 2000 11.74 2001 12.08 2002 12.43 2003 12.79 2004 13.17 2005 13.56 2006 13.72 2007 13.87 2008 14.03 2009 14.2 2010 14.37 2011 14.49 2012 14.61 2013 14.74 2014 14.87 2015 15 2016 15.13