Year Cases per 100,000 1990 41.11 1991 43.64 1992 46.41 1993 49.43 1994 52.7 1995 56.26 1996 58.59 1997 61.04 1998 63.61 1999 66.3 2000 69.15 2001 70.1 2002 71.08 2003 72.08 2004 73.1 2005 74.15 2006 74.66 2007 75.18 2008 75.72 2009 76.27 2010 76.85 2011 78.18 2012 79.57 2013 80.98 2014 82.44 2015 83.93 2016 85.47