Year Cases per 100,000 1990 62.83 1991 63.47 1992 64.12 1993 64.79 1994 65.46 1995 66.15 1996 66.61 1997 67.09 1998 67.58 1999 68.07 2000 68.59 2001 68.11 2002 67.65 2003 67.19 2004 66.74 2005 66.31 2006 65.63 2007 64.96 2008 64.3 2009 63.67 2010 63.04 2011 62.99 2012 62.95 2013 62.92 2014 62.88 2015 62.85 2016 62.83