Year number of cases 2008 5100 2009 120 2010 98000 2011 12000 2012 23000 2013 3800 2014 24000 2015 106000 2016 130000 2017 27000 2018 81000 2019 237000 2020 279000 2021 888000 2022 423000 2023 133000