Year	number of cases
2008	36155430
2009	16614460
2010	40100850
2011	14031296
2012	28831900
2013	20981779
2014	17305702
2015	17452017
2016	22120109
2017	16726731
2018	15915383
2019	23815765
2020	28853645
2021	22766885
2022	31590076
2023	25642341