"Year" "Number of Cases" "1999" "1" "2000" "907" "2001" "720" "2002" "541" "2003" "494" "2004" "527" "2005" "635" "2006" "796" "2007" "930" "2008" "877" "2009" "689" "2010" "919" "2011" "928" "2012" "798" "2013" "743" "2014" "536"