Year Number of Cases
2000 1
2001 1
2002 2
2003 2
2004 1
2005 2
2006 4
2007 5
2008 2
2009 6
2010 5
2011 3
2012 3
2013 4
2014 3
2015 4
2016 4
2017 7
2018 8
2019 15
2020 18
2021 8
2022 15
2023 18
2024 3