Year Number of Cases
2001 2
2004 1
2008 2
2009 2
2010 2
2011 1
2012 6
2013 5
2014 7
2015 9
2016 9
2017 19
2018 16
2019 14
2020 21
2021 20
2022 25
2023 25
2024 1