Year	number of cases
2009	3983500
2010	983500
2011	1312180
2012	3810480
2013	4308100
2014	3779300
2015	4121290
2016	4316090
2017	5011302
2018	5552460
2019	4301299
2020	4022547
2021	6975050
2022	3868625
2023	6551960