Year Cases per 100,000 1990 12.26 1991 12.27 1992 12.13 1993 12.01 1994 11.92 1995 11.88 1996 12.05 1997 12.28 1998 12.47 1999 12.64 2000 12.77 2001 12.89 2002 13.02 2003 13.14 2004 13.24 2005 13.35 2006 13.61 2007 13.88 2008 14.15 2009 14.41 2010 14.67 2011 14.61 2012 14.69 2013 14.75 2014 14.82 2015 14.69 2016 14.61