Year number of cases 2008 194000 2009 8100 2010 38000 2011 26000 2012 268000 2013 20000 2014 2800 2015 87000 2016 51000 2017 248000 2018 77000 2019 23000 2020 74000 2021 21000 2022 291000 2023 117000