Year Cases per 100,000 1990 66.8 1991 66.64 1992 66.52 1993 66.42 1994 66.35 1995 66.31 1996 67.28 1997 68.31 1998 69.39 1999 70.53 2000 71.74 2001 71.82 2002 71.94 2003 72.07 2004 72.23 2005 72.43 2006 72.95 2007 73.47 2008 74.03 2009 74.61 2010 75.23 2011 75.35 2012 75.48 2013 75.63 2014 75.78 2015 75.93 2016 76.11