Year Cases per 100,000 1990 42.59 1991 43.42 1992 44.3 1993 45.2 1994 46.13 1995 47.09 1996 48.47 1997 49.91 1998 51.4 1999 52.95 2000 54.56 2001 56.3 2002 58.12 2003 60.01 2004 61.97 2005 64 2006 65.58 2007 67.19 2008 68.86 2009 70.58 2010 72.35 2011 73.63 2012 74.95 2013 76.3 2014 77.67 2015 79.08 2016 80.54