Year Number of Cases
2000 2
2002 4
2003 3
2004 1
2005 1
2006 2
2007 7
2008 9
2009 7
2010 2
2011 13
2012 22
2013 22
2014 15
2015 17
2016 24
2017 24
2018 41
2019 42
2020 43
2021 52
2022 50
2023 56