Year number of cases 2008 45000 2009 46000 2010 10000 2011 2700 2012 184000 2013 28000 2014 950 2015 8400 2016 17000 2017 295000 2018 8600 2019 10000 2020 8500 2021 3500 2022 24000 2023 188000