Year number of cases 2008 10000 2009 92000 2010 54000 2011 19000 2012 98000 2013 180000 2014 1400 2015 105000 2016 49000 2017 35000 2018 336000 2019 74000 2020 335000 2021 36000 2022 318000 2023 641000