Year number of cases 2008 13000 2009 375000 2010 900000 2011 547000 2012 6500 2013 158000 2014 18000 2015 91000 2016 12000 2017 195000 2018 20000 2019 18000 2020 103000 2021 19000 2022 11000 2023 196000