Year Per 100 People 1992 14.15377 1993 14.67711 1994 6.33101 1995 6.18785 1996 7.20166 1997 8.07181 1998 8.8837 1999 9.78743 2000 20.70775 2001 22.45988 2002 23.91107 2003 24.82026 2004 25.16408 2005 25.62077 2006 26.1677 2007 28.20488 2008 27.40342 2009 26.65495 2010 26.82946 2011 25.91412 2012 24.29453 2013 23.48084 2014 23.77155 2015 21.85216 2016 21.18368 2017 21.65213