Year Cases per 100,000 1990 28.47 1991 29.03 1992 29.63 1993 30.26 1994 30.92 1995 31.63 1996 32.16 1997 32.71 1998 33.28 1999 33.87 2000 34.49 2001 35.13 2002 35.81 2003 36.5 2004 37.22 2005 37.98 2006 38.55 2007 39.12 2008 39.73 2009 40.35 2010 41 2011 41.55 2012 42.13 2013 42.72 2014 43.33 2015 43.94 2016 44.58