Year Number of Cases
2000 3
2001 2
2002 2
2003 2
2004 3
2005 1
2006 5
2007 8
2008 2
2009 5
2010 9
2011 3
2012 4
2013 10
2014 4
2015 3
2016 6
2017 9
2018 12
2019 9
2020 4
2021 11
2022 7
2023 13
2024 1