Year	number of cases
2008	761340
2009	984920
2010	8163600
2011	1014396
2012	521000
2013	354082
2014	1550762
2015	1538560
2016	903280
2017	853822
2018	367714
2019	569749
2020	2300810
2021	825896
2022	1268413
2023	1686025