Year Cases per 100,000 1990 83.98 1991 85.5 1992 87.09 1993 88.76 1994 90.51 1995 92.36 1996 94.36 1997 96.45 1998 98.63 1999 100.9 2000 103.28 2001 104.22 2002 105.19 2003 106.18 2004 107.19 2005 108.23 2006 106.42 2007 104.66 2008 102.96 2009 101.32 2010 99.74 2011 99.98 2012 100.24 2013 100.51 2014 100.78 2015 101.06 2016 101.36