Year number of cases 2008 4300 2009 5600 2010 205000 2011 28000 2012 540000 2013 201000 2014 47000 2015 38000 2016 46000 2017 188000 2018 40000 2019 121000 2020 276000 2021 125000 2022 248000 2023 95000