Year Number of Cases
2000 2
2001 1
2002 4
2003 1
2004 2
2005 5
2007 8
2008 4
2009 5
2010 3
2011 4
2012 7
2013 6
2014 12
2015 9
2016 12
2017 15
2018 13
2019 18
2020 21
2021 15
2022 17
2023 26
2024 9