Year number of cases 2008 61000 2009 1342000 2010 569000 2011 400000 2012 651000 2013 1160000 2014 543000 2015 531000 2016 614000 2017 946000 2018 78000 2019 4084000 2020 4443000 2021 99000 2022 1524000 2023 1791000