Year Cases per 100,000 1990 60.69 1991 60.98 1992 61.3 1993 61.62 1994 61.97 1995 62.33 1996 63.15 1997 64.01 1998 64.89 1999 65.8 2000 66.75 2001 66.79 2002 66.85 2003 66.91 2004 66.99 2005 67.09 2006 67.01 2007 66.93 2008 66.87 2009 66.83 2010 66.8 2011 67.29 2012 67.81 2013 68.34 2014 68.89 2015 69.47 2016 70.07