Year Cases per 100,000 1990 12.11 1991 12.21 1992 12.32 1993 12.43 1994 12.54 1995 12.65 1996 12.8 1997 12.95 1998 13.1 1999 13.26 2000 13.42 2001 13.54 2002 13.67 2003 13.8 2004 13.93 2005 14.06 2006 14.14 2007 14.21 2008 14.29 2009 14.37 2010 14.46 2011 14.75 2012 15.05 2013 15.36 2014 15.67 2015 16 2016 16.34