Year Number of Cases
2002 2
2003 1
2004 1
2006 3
2007 2
2008 2
2009 1
2010 8
2011 7
2012 3
2013 3
2014 4
2015 9
2016 8
2017 51
2018 7
2019 7
2020 6
2021 8
2022 4
2023 3