Year Number of Cases
2000 4
2001 13
2002 7
2003 5
2004 2
2005 6
2006 6
2007 6
2008 9
2009 13
2010 7
2011 13
2012 15
2013 17
2014 8
2015 5
2016 12
2017 15
2018 13
2019 15
2020 21
2021 24
2022 18
2023 27
2024 6