Year Cases per 100,000 1990 57.23 1991 58.01 1992 58.89 1993 59.88 1994 61 1995 62.38 1996 63.55 1997 64.81 1998 66.18 1999 67.65 2000 69.25 2001 70.61 2002 72.05 2003 73.56 2004 75.15 2005 76.83 2006 77.44 2007 78.04 2008 78.67 2009 79.31 2010 79.98 2011 79.49 2012 79.01 2013 78.55 2014 78.1 2015 77.66 2016 77.25