Year Number of Cases
2000 7
2001 5
2002 2
2003 2
2004 2
2005 2
2006 4
2007 1
2008 5
2009 4
2010 7
2011 2
2012 3
2013 1
2014 12
2015 2
2016 3
2017 3
2018 3
2019 10
2020 9
2021 9
2022 10
2023 5