Year number of cases 2008 963450 2010 2790350 2012 1723320 2013 1117058 2014 747890 2015 966625 2016 1311740 2017 2340634 2018 2102933 2019 2983118 2020 4725500 2021 2223590 2022 4305600 2023 5390200