"Year" "Number of Cases" "2000" "2" "2002" "4" "2003" "3" "2004" "1" "2005" "1" "2006" "2" "2007" "7" "2008" "9" "2009" "7" "2010" "2" "2011" "13" "2012" "22" "2013" "22" "2014" "8"