Year	number of cases
2008	4247635
2009	2928820
2010	15246250
2011	2018096
2012	8876120
2013	3869498
2014	2517976
2015	7223245
2016	3242952
2017	4474433
2018	3777670
2019	8419330
2020	11692356
2021	3514710
2022	17716446
2023	11090992