Year Cases per 100,000 1990 12.51 1991 12.45 1992 12.41 1993 12.36 1994 12.32 1995 12.28 1996 12.18 1997 12.08 1998 11.99 1999 11.9 2000 11.81 2001 11.98 2002 12.16 2003 12.35 2004 12.54 2005 12.73 2006 12.92 2007 13.11 2008 13.31 2009 13.52 2010 13.73 2011 13.82 2012 13.92 2013 14.03 2014 14.13 2015 14.23 2016 14.34